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For a relaxing vacation choose Nautilus Undersea. Overall a very organized and well run trip. This was our second trip on this boat and we have been 100% satisfied both times.”

Review courtesy of Liveaboard.com. See all 42 reviews here: Nautilus Under Sea .

Customer Rated 8.9 – Fabulous

Dive Mexico Today
❄️ Aircon Cabins
🚿 Ensuite Cabins
🤿 Snorkeller Friendly
💻 WIFI Available Onboard
🔥 Warm Water Showers

Scuba Dive Mexico aboard the Nautilus Under Sea Liveaboard from £124.00/day

All-inclusive dive liveaboard trip to the top dive sites in Mexico with gear rental, Wi-Fi available onboard, air-con cabins and ensuite cabins onboard.  See live deals & last-minute discounts.

Nautilus Under Sea Liveaboard Review - Expert Guide to Choosing Your Liveaboard

Russell Bowyer here. I've written this Nautilus Under Sea Liveaboard review to help you choose the right liveaboard with confidence. As a qualified diving instructor and Advanced BSAC Diver with 500+ dives worldwide, I've helped countless divers pick their perfect liveaboard - whether it's your first time liveaboard or you're an experienced diver seeking your next adventure.

Read more about Russell's diving experience

My diving experience spans cold-water UK drysuit dives, warm coral reefs in the Caribbean, the Red Sea, the Great Barrier Reef, and South Africa. As a former BSAC Diving Officer, I've led dive training and operations. I've logged every type of dive: decompression stop deep dives, wreck dives, shark dives, night dives, drift dives, and everything in between. This hands-on experience means I know exactly what makes a great liveaboard experience.

View full details

Customer review from Liveaboard.com

Another great trip to Socorro! This was my second Socorro trip with nautilus and they are incredible. The dive guides are knowledgeable and patient, made me feel safe the entire time.”

Recommended for: Crew. Food. Amazing dives.

Customer Review By Andrea F, from: United States scored the Nautilus Under Sea 10 out of 10; Review courtesy of Liveaboard.com, for all 42 reviews and information click here: Nautilus Under Sea .

Is The Nautilus Under Sea Right For You?

⚡ Quick Facts

Cert Required
Open Water Diver
(or equivalent)
Logged Dives
No minimum number of logged dives
Max Guests
19
Trip Length
6-10 days
Price From
£124.00
Region
Mexico
Boat Type
Motor yacht (monohull)
Nitrox
Paid extra
Gear Rental
Available

✓ Best For:

  • Intermediate divers looking to build experience
  • Social divers who enjoy meeting new people
  • Travelers who prefer to rent equipment rather than bring their own
  • Divers seeking multi-day immersive experiences

✗ Not Ideal For:

  • Those who prefer day trips or shore-based diving
  • Divers seeking extreme or technical diving challenges

🎯 Perfect If You Want...

  • Dive with majestic Giant Mantas at the Revillagigedo Islands
  • Encounter gentle whale sharks
  • Experience hammerhead-packed waters of El Cañon
  • Socorro Island's giant mantas and dolphins
  • Dive the famous 'World's Aquarium' at the Sea of Cortez
Nautilus Under Sea Image

SDE Liveaboard Rating – Boat Features for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea liveaboard, it scores 90% on the SDE Liveaboard Rating – Boat Features, as it has 9 of 10 key boat features (see below).

The Nautilus Under Sea liveaboard provides audio and video entertainment in the lounge so you can relax and enjoy music, films and other entertainment between dives and in the evenings. In addition, it provides audio and video entertainment in the lounge so you can relax and enjoy music, films and other entertainment between dives and in the evenings.

What’s more, it has WIFI internet onboard as a paid extra, which means you can stay up to date with your emails and social media whilst on your dive trip. You’ll also find it provides charging stations for phones, laptops, torches and underwater cameras so your batteries are always topped up, and your dive kit is always ready for the next dive.

Also, it maintains a near one to one crew to guest ratio, which supports quick service and strong safety cover.

A review of the list of Boat Features found on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with a specific feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

Click here to show boat features not found

The boat features that are not found on the Nautilus Under Sea. If you want to find all liveaboards with this feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

  • Smart Voyager accreditation
Boat FAQs for the Nautilus Under Sea Liveaboard
Does the Nautilus Under Sea Liveaboard have WiFi internet?
Yes, WiFi internet is available on the Nautilus Under Sea Liveaboard for an additional fee. Speeds depend on satellite signal and location at sea, which suits messaging and email rather than large downloads.
Does the Nautilus Under Sea Liveaboard have an air conditioned saloon?
An air conditioned saloon is not listed for the Nautilus Under Sea Liveaboard. Public areas are typically ventilated and breezy.
Does the Nautilus Under Sea Liveaboard have an indoor saloon?
An indoor saloon is not listed for the Nautilus Under Sea Liveaboard. Most guests relax on shaded outdoor decks.
Does the Nautilus Under Sea Liveaboard have a sun deck or leisure deck?
A sun deck or leisure deck is not listed for the Nautilus Under Sea Liveaboard.
Does the Nautilus Under Sea Liveaboard have an observation deck?
An observation deck is not listed for the Nautilus Under Sea Liveaboard. Open views are still available from exterior decks.
What onboard entertainment is available on the Nautilus Under Sea Liveaboard?
The Nautilus Under Sea Liveaboard provides audio and video entertainment in the lounge, which is helpful for winding down and reviewing briefings.
Is there a boutique or souvenir shop on the Nautilus Under Sea Liveaboard?
A boutique or souvenir shop is not listed for the Nautilus Under Sea Liveaboard.
Is the Nautilus Under Sea Liveaboard family friendly?
The Nautilus Under Sea Liveaboard is not listed as family friendly and no family cabin category is shown.
Is the Nautilus Under Sea Liveaboard available for private charter?
Private charter is not listed for the Nautilus Under Sea Liveaboard. Group bookings can still reserve multiple cabins on scheduled departures.
What type of crew works on the Nautilus Under Sea Liveaboard?
A specific crew profile is not listed for the Nautilus Under Sea Liveaboard.
What is the crew to guest ratio on the Nautilus Under Sea Liveaboard?
The Nautilus Under Sea Liveaboard runs with a near one to one crew to guest ratio, which supports quick service and strong safety cover.
Does the Nautilus Under Sea Liveaboard have Smart Voyager accreditation?
Smart Voyager accreditation is not listed for the Nautilus Under Sea Liveaboard.

Boat information:

  • The Nautilus Under Sea liveaboard provides deck towels onboard, which are included in the cost of your liveaboard trip, but no beach towels are provided.  Click Beach Towels to find liveaboards that offer these onboard.
  • The Nautilus Under Sea liveaboard offers a hotel transfer, which incurs an additional cost on top of your liveaboard trip, but they do not offer an airport transfer.  Click Airport Transfers to find liveaboards that offer this service.
  • The Nautilus Under Sea liveaboard has optional additional charges on top of the cost of the trip, these additional optional charges include gratuities.
  • The Nautilus Under Sea liveaboard has additional required charges on top of the cost of the trip, these additional costs that you are required to pay include national park fees, and port fees.
  • The Nautilus Under Sea liveaboard has a dedicated crew onboard, which includes both local and international crew.
  • The Nautilus Under Sea liveaboard is not listed as a family friendly cruise and does not show dedicated family cabins in the features either. If you’d prefer a liveaboard that is better set up for families, click Family Friendly Cruises to see family oriented trips, or Liveaboards With Family Cabins to find boats that just offer cabins designed for families.
  • The Nautilus Under Sea liveaboard is available for private charter, making it a great option for scuba diving clubs, groups of friends, underwater photography teams, and families who want the whole boat to themselves. With up to 9 cabins available, your group can enjoy an exclusive itinerary, flexible dive schedule, and the privacy of a full-boat charter; click liveaboards available for private charter to compare this liveaboard with other boats that are available for private charter.
  • The Nautilus Under Sea liveaboard is not specifically listed as a budget-friendly option, and is better suited to divers who are happy to pay more for upgraded comfort, premium facilities, and a higher overall experience while exploring Mexico’s dive sites; if your priority is keeping costs down, you can check current discounts using discounted liveaboards, or click Budget Friendly Liveaboards to compare this vessel with other liveaboards that are marketed as more budget-friendly.

Video Highlights for the Nautilus Under Sea

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SDE Liveaboard Rating – Cabin Features for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea Liveaboard, it scores 60% on the SDE Liveaboard Rating – Cabin Features, as it has 6 of 10 key cabin features (see below).

The Nautilus Under Sea Liveaboard includes air-conditioned cabins, which keeps your cabin cool and comfortable between dives and whilst you sleep at night. In addition, it includes additional cabin luxuries such as cabin towels, complimentary toiletries and daily housekeeping, which means you can pack lighter and enjoy a more relaxed trip.

What’s more, it has en-suite bathrooms, which adds hotel-style convenience to life on board. You’ll also find it includes seaview cabins so you wake up to an ocean view.

19
Max Guests
9
Total Cabins
9
Bathrooms

A review of the list of Cabin Features found on the Nautilus Under Sea Liveaboard. If you want to find all liveaboards with a specific feature, click the feature to open a new window with a collection of dive liveaboards that have this feature.

Click here to show cabin features not found

The cabin features that are not found on the Nautilus Under Sea. If you want to find all liveaboards with this feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

Cabin FAQs for the Nautilus Under Sea Liveaboard
Do cabins on the Nautilus Under Sea Liveaboard have en-suite bathrooms?
Yes, the Nautilus Under Sea Liveaboard offers cabins with en-suite bathrooms, so you have private facilities for showers and daily routines. En-suite cabins reduce wait times at peak hours, keep gear rinsing separate from living space, and make turnarounds between dives simpler for couples and families.
Is there air-conditioning in the cabins on the Nautilus Under Sea Liveaboard?
Yes, cabins on the Nautilus Under Sea Liveaboard are air-conditioned, which helps you sleep well between early starts and night dives. Cooler cabins also protect camera batteries and electronics from heat and humidity; bring a light layer if you prefer sleeping at a warmer setting.
Are there family cabins on the Nautilus Under Sea Liveaboard?
No, a dedicated family cabin category is not listed for the Nautilus Under Sea Liveaboard, and a family-friendly label is not shown.
Are there balcony or sea-view cabins on the Nautilus Under Sea Liveaboard?
Yes, the Nautilus Under Sea Liveaboard offers sea-view cabins, so you can enjoy natural light and quick access to fresh air. These categories are limited and sell fast on popular weeks, so book early if the view is a priority.
Is there a hair dryer in the cabins on the Nautilus Under Sea Liveaboard?
No, an in-cabin hair dryer is not listed for the Nautilus Under Sea Liveaboard. Many divers bring a compact travel dryer; check voltage and plug type, and only use heat-tools where permitted for safety.
Do cabins on the Nautilus Under Sea Liveaboard have a safe box?
No, a personal safe box is not listed for cabins on the Nautilus Under Sea Liveaboard. The bridge or purser can usually secure valuables; bring a small pouch and avoid leaving items unattended in communal areas.
Is there a TV in the cabins on the Nautilus Under Sea Liveaboard?
No, in-cabin TV is not listed for the Nautilus Under Sea Liveaboard. Most guests relax in the lounge, swap photos, or enjoy night skies; pre-download entertainment if you like a quiet wind-down.
Are the cabins non-smoking on the Nautilus Under Sea Liveaboard?
A non-smoking cabin label is not listed for the Nautilus Under Sea Liveaboard, but liveaboards generally restrict smoking to designated outdoor spots. Never smoke near dive gear, compressors, or fuel.
Are towels and toiletries provided on the Nautilus Under Sea Liveaboard?
Yes, the Nautilus Under Sea Liveaboard includes cabin towels and complimentary toiletries in the trip price. That keeps packing light and helps turn cabins around quickly between dives; bring reef-safe sunscreen and any preferred shampoo brand if you are sensitive.
How many guests and cabins does the Nautilus Under Sea Liveaboard have?
The Nautilus Under Sea Liveaboard typically carries 19 guests across 9 cabins with 9 bathrooms, a comfortable size for dive groups. Cabin mixes vary by departure; make a request at booking if you prefer twin or double cabin layouts.

Cabin information:

  • The Nautilus Under Sea Liveaboard provides cabin towels, which are included in the cost of your liveaboard trip.
  • The Nautilus Under Sea Liveaboard does not offer a laundry service. If you would like this service onboard, click Laundry service to find liveaboards that provide it.
  • The Nautilus Under Sea Liveaboard does not offer a pressing service. If you would like this service onboard, click Pressing service to find liveaboards that provide it.
  • The Nautilus Under Sea Liveaboard provides complimentary toiletries, which are included in the cost of your liveaboard trip.
  • The Nautilus Under Sea Liveaboard does not show dedicated family cabins and is not tagged as a family friendly cruise in the cabin features. If you are travelling with children, you may find a better fit by choosing from Liveaboards With Family Cabins for boats that offer family sized cabins, or Family Friendly Cruises for trips that are set up more clearly for families. You can still review the cabin layouts for this boat in the cabin types section below.
  • The Nautilus Under Sea Liveaboard includes the following cabin types:

    • 1 Double/Twin cabin with an ensuite bathroom
    • 1 Triple cabin with an ensuite bathroom
    • 6 Twin cabins with ensuite bathrooms
    • 1 Twin cabin with an ensuite bathroom, ADA compatible and wheelchair friendly
Nautilus Under Sea Image

SDE Liveaboard Rating – Diving Features for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea Liveaboard, it scores 100% on the SDE Liveaboard Rating – Diving Features, as it has 10 of 10 key diving features (see below).

The Nautilus Under Sea Liveaboard offers a spacious dive deck for easy kitting up and also uses dive tenders to put you right on the best sites. In addition, Photographers are looked after, with a camera station. What’s more, After a dive you can rinse off using warm outside showers, which keep you, your hair and your wetsuit fresh and clean from saltwater.

DIN adaptors are carried onboard, so whether you dive on a DIN or yoke regulator you will be supported on the Nautilus Under Sea Liveaboard. You’ll also find Rebreather support is listed for the Nautilus Under Sea Liveaboard, just confirm sorb, oxygen and bailout in advance. Also, Sidemount diving is supported on the Nautilus Under Sea Liveaboard, which is useful if you prefer to carry cylinders on your side.

On deck you have rinse hoses and a shaded diving area, so your kit and cameras can be washed and kept out of the sun. Plus, The Nautilus Under Sea Liveaboard was custom built for diving, so the layout, dive deck and facilities are all set up with scuba divers in mind. On top of that, Nitrox is available onboard as a paid extra, so you can choose to dive with nitrox on the dives that matter most. The Enriched Air Nitrox is normally EAN32 or 32% oxygen.

A review of the list of diving features found on the Nautilus Under Sea Liveaboard. If you want to find all liveaboards with a specific feature, click a feature to open a new window with a collection of dive liveaboards that have this feature.

Diving FAQs for the Nautilus Under Sea Liveaboard
Does the Nautilus Under Sea Liveaboard have nitrox onboard?
Yes, nitrox is available on the Nautilus Under Sea Liveaboard, which is a paid extra.
Is the Nautilus Under Sea Liveaboard custom built for diving?
Yes, the Nautilus Under Sea Liveaboard was custom built for diving, which means the layout, dive deck and facilities were designed around divers.
What level of experience is required and what diver certification is required for the Nautilus Under Sea Liveaboard?
Your diving experience and level of certification should be at least Open Water Diver (or equivalent) to join a trip on the Nautilus Under Sea Liveaboard, as this is the experience level normally required for its dives.
How many logged dives do you need for the Nautilus Under Sea Liveaboard?
The Nautilus Under Sea Liveaboard has no minimum number of logged dives. That said, you should still be comfortable with the diving style and conditions for your chosen itinerary. If you are newly qualified or you have not dived in a while, it is worth doing a few local refresher dives before you travel, and you can also ask the crew about a check dive or refresher on arrival.
Can I get certified on board the Nautilus Under Sea Liveaboard?
Scuba diving courses are not listed for the Nautilus Under Sea Liveaboard, so getting certified onboard is unlikely.
Does the Nautilus Under Sea Liveaboard have a camera area and camera rinse?
A dedicated camera room or camera rinse is not listed for the Nautilus Under Sea Liveaboard.
Are there facilities for photographers onboard the Nautilus Under Sea Liveaboard?
Yes, photographers are catered for on the Nautilus Under Sea Liveaboard, with a camera station and charging stations onboard.
Do I need DIN or yoke on the Nautilus Under Sea Liveaboard, and are adaptors available?
The Nautilus Under Sea Liveaboard carries DIN adaptors, so whether you dive with a DIN or a yoke regulator, both will be supported.
How are water entries and exits handled on the Nautilus Under Sea Liveaboard? Are tenders used?
The Nautilus Under Sea Liveaboard has a dive deck for easy entries and also uses dive tenders, so the crew can drop you right on the best sites.
What rental gear is available on the Nautilus Under Sea Liveaboard?
Rental dive gear is available on the Nautilus Under Sea Liveaboard, which will likely include your wetsuit, mask snorkel and fins, dive regulator and a buoyancy control device (BCD). You maybe able to rent other gear, such as a dive computer or surface marker buoy, but check that the Nautilus Under Sea Liveaboard includes these items in their gear rental. Make sure you confirm what rental gear you need at the time of booking, and tell the crew your sizes before sailing if you intend to rent your dive equipment.
Are scuba courses available onboard the Nautilus Under Sea Liveaboard?
Scuba courses are not listed for the Nautilus Under Sea Liveaboard, which means you will need to have all the necessary training and certifications for your chosen itinerary before you sail.
Is a nitrox course available onboard the Nautilus Under Sea Liveaboard?
A nitrox course is not listed for the Nautilus Under Sea Liveaboard.
What itineraries does the Nautilus Under Sea Liveaboard run?
The Nautilus Under Sea Liveaboard currently lists the following itineraries, 6 Days/5 Nights, 7 Days/6 Nights, 8 Days/7 Nights, 9 Days/8 Nights, 10 Days/9 Nights, check the booking page for dates and seasonal sailings as these can change during the year.
What sea creatures can you see on the Nautilus Under Sea Liveaboard

The Nautilus Under Sea Liveaboard does not currently list specific marine life for its dive sites, please check the itinerary notes.

Dive information:

  • Diver certification level required: Open Water Diver (or equivalent)
  • Number of logged dives required: No minimum number of logged dives
  • Itinerary options on the Nautilus Under Sea liveaboard are currently: 6 Days/5 Nights, 7 Days/6 Nights, 8 Days/7 Nights, 9 Days/8 Nights, 10 Days/9 Nights
  • The diving package to include all the dives on the itinerary of your choice is included in the cost of the liveaboard trip.
  • The Nautilus Under Sea liveaboard offers a private dive guide, which is an optional extra charge. Click Private dive guide to find other liveaboards that offer free, or as a paid extra, a private dive guide.

Tip: click any of the linked items above to find other dive liveaboards with the same option.

Nautilus Under Sea Image

SDE Liveaboard Rating – Food Features for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea liveaboard, it scores 80% on the SDE Liveaboard Rating – Food Features, as it has 8 of 10 total food & dining features (see below).

The Nautilus Under Sea Liveaboard offers options for specific dietary requirements; add these in special requests on step 2 of the booking form (limit to religious beliefs or food allergies). It also includes vegetarian and vegan choices on the menu. In addition, it has the benefit of fully inclusive meals, which includes breakfast, lunch and evening meals.

A review of the list of Onboard Food & Dining Features found on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with a specific feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

Click here to show onboard food features not found

The onboard food features that are not found on the Nautilus Under Sea. If you want to find all liveaboards with this feature, click the feature below to open a new window with a collection of dive liveaboards that have this feature:

Dining FAQs for the Nautilus Under Sea Liveaboard
What meal plan does the Nautilus Under Sea Liveaboard offer?
A specific meal plan is not listed for the Nautilus Under Sea Liveaboard. Most liveaboards operate informally on a full-board basis with scheduled meal windows; if plans matter to you, we’ll confirm inclusions for your dates.
Are dietary requirements accommodated on the Nautilus Under Sea Liveaboard?
Specific dietary accommodation is not listed for the Nautilus Under Sea Liveaboard. Many boats can still adjust menus with notice; tell us your needs before you book and we’ll confirm what’s practical for your departure and provisioning window.
Are vegetarian and vegan options available on the Nautilus Under Sea Liveaboard?
Vegetarian or vegan options aren’t specifically listed for the Nautilus Under Sea Liveaboard. If needed, we can request simple plant-based alternatives when you book so the galley can provision accordingly.
Is al fresco dining available on the Nautilus Under Sea Liveaboard?
Al fresco dining isn’t listed for the Nautilus Under Sea Liveaboard. Meals are usually served in the main saloon; light bites on deck are still common when weather permits.
Does the Nautilus Under Sea Liveaboard include a beach BBQ?
A beach BBQ isn’t listed for the Nautilus Under Sea Liveaboard, so if you would prefer this option, make sure to book a dive liveaboard that offers beach BBQs.
What dining style is used on the Nautilus Under Sea Liveaboard?
A specific service style isn’t listed for the Nautilus Under Sea Liveaboard. Most liveaboards use buffets for speed at breakfast and lunch, and plated or family-style dishes in the evening.
What cuisine is served on the Nautilus Under Sea Liveaboard?
Cuisine style isn’t specified for the Nautilus Under Sea Liveaboard. Most liveaboards offer a balanced mix of international comfort food and local specials during the week.
Are snacks provided on the Nautilus Under Sea Liveaboard?
Snacks between dives aren’t specifically listed for the Nautilus Under Sea Liveaboard. Most boats still put out light bites after dives; if you have favourites, bring sealed snacks to complement the galley selection.
Nautilus Under Sea Image

SDE Liveaboard Rating – Drinks & Refreshments for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea Liveaboard, it scores 90% on the SDE Liveaboard Rating - Drinks & Refreshment Features, as it has 9 of 10 total drink & refreshment features (see below). The Nautilus Under Sea Liveaboard has a bar where beer and wine are available to purchase. In addition, it offers a selection of fine wines for purchase onboard. In addition, this liveaboard includes drinking water, soft drinks, tea & coffee, and welcome cocktails in the trip price.

A review of the list of Onboard Drink Features found on the Nautilus Under Sea Liveaboard. If you want to find all liveaboards with a specific feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

  • Alcoholic beverages (Paid extra)
  • Bar
  • Beer available
  • Drinking water (Free)
  • Fine wines selection (enhanced wine offering)
  • Soft drinks (Free)
  • Tea & coffee (Free)
  • Welcome cocktails
  • Wine available
Show onboard drink features not found

The onboard drink features that are not found on the Nautilus Under Sea. If you want to find all liveaboards with this feature, click the feature below to open a new window with a collection of dive liveaboards that have this feature:

  • Free wine w/dinner
Drinks & Refreshments FAQs for the Nautilus Under Sea Liveaboard
Which drinks are included on the Nautilus Under Sea Liveaboard?
Drinks included on the Nautilus Under Sea Liveaboard typically cover drinking water, soft drinks, tea & coffee, and welcome cocktails.
Is there a bar onboard the Nautilus Under Sea Liveaboard?
Yes, there is a staffed bar on the Nautilus Under Sea Liveaboard. Expect a casual setup geared around post-dive service and evenings.
Is alcohol available on the Nautilus Under Sea Liveaboard?
Alcohol is available on the Nautilus Under Sea Liveaboard. Beer and wine are common, with premium labels varying by itinerary.
Are soft drinks included on the Nautilus Under Sea Liveaboard?
Yes, soft drinks are included in the price on the Nautilus Under Sea Liveaboard. If having soft drinks included is important to you, check this at the time of booking.
Are tea and coffee included on the Nautilus Under Sea Liveaboard?
Yes, tea and coffee are included on the Nautilus Under Sea Liveaboard, usually available from early morning through the evening.
Is drinking water included on the Nautilus Under Sea Liveaboard?
Yes, drinking water is included on the Nautilus Under Sea Liveaboard. Refill stations are typically available; bring a reusable bottle.
Is wine with dinner included on the Nautilus Under Sea Liveaboard?
Wine with dinner isn’t listed as included for the Nautilus Under Sea Liveaboard. It may be available to purchase depending on stock.
Are welcome cocktails offered on the Nautilus Under Sea Liveaboard?
Yes, welcome cocktails are offered at embarkation aboard the Nautilus Under Sea Liveaboard. Non-alcoholic options are also available. This gets the diving safari off to a great start.
Can I bring my own alcohol on the Nautilus Under Sea Liveaboard?
Bring-your-own alcohol policies vary by operator and licensing rules. Some boats allow sealed wine for special occasions, others restrict outside alcohol. If you plan to bring your own alcohol, please check the policy before you board the Nautilus Under Sea Liveaboard.
How do I pay for drinks onboard the Nautilus Under Sea Liveaboard?
Paid bar tabs are typically settled at the end of the trip in cash or card, depending on the boat. Price lists and accepted payment methods can vary by region, so please check before you sail on the Nautilus Under Sea Liveaboard.

Included in the price of your liveaboard trip:

  • Drinking water
  • Soft drinks
  • Tea & coffee
  • Welcome cocktails
Nautilus Under Sea

SDE Liveaboard Rating – Non-Diver Companion Rating for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea liveaboard, it scores 50% on the SDE Liveaboard Rating - Non-Diver Companion Rating, as it has 5 of 10 total non-diver companion features (see below).

Yes, the Nautilus Under Sea liveaboard is suitable for non-divers, with activities such as kayaks, stand up paddleboards and snorkelling. These keep everyone involved between dives and make the trip enjoyable for partners or friends who prefer to stay above the surface. In addition, free use of kayaks is included on the Nautilus Under Sea liveaboard, useful for relaxed exploration in calm water, gentle cardio between dives, and easy wildlife spotting from the surface. Great for non-diving partners or families. What’s more, free use of stand up paddleboards is included on the Nautilus Under Sea liveaboard, great for balance and core strength during calm sessions in sheltered coves, also a good shared activity with non-divers.

Snorkel gear is available on the Nautilus Under Sea liveaboard, perfect for relaxed reef time between dives and for non-divers to join in the water. You’ll also find A jacuzzi or hot tub is available on the Nautilus Under Sea liveaboard, ideal for warming up after night dives or unwinding after a long day of diving.

A review of the list of Non-Diver Companion Rating features found on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with a specific feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

Show other onboard activities not found

The other onboard activities that are not found on the Nautilus Under Sea. If you want to find all liveaboards with this feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

  • Not included Fishing
  • Not included Glass bottom boat
  • Not included Library
  • Not included Naturalist itineraries
  • Not included Wellness facilities
Other Activities FAQs for the Nautilus Under Sea Liveaboard
Are kayaks available on the Nautilus Under Sea Liveaboard?
Free use of kayaks is included on the Nautilus Under Sea Liveaboard, useful for relaxed exploration in calm water, gentle cardio between dives, and easy wildlife spotting from the surface. Great for non-diving partners or families.
Are stand up paddleboards available on the Nautilus Under Sea Liveaboard?
Free use of stand up paddleboards is included on the Nautilus Under Sea Liveaboard, great for balance and core strength during calm sessions in sheltered coves, also a good shared activity with non-divers.
Is snorkel gear provided on the Nautilus Under Sea Liveaboard?
Snorkel gear is available on the Nautilus Under Sea Liveaboard, perfect for relaxed reef time between dives and for non-divers to join in the water.
Is there a jacuzzi or hot tub on the Nautilus Under Sea Liveaboard?
A jacuzzi or hot tub is available on the Nautilus Under Sea Liveaboard, ideal for warming up after night dives or unwinding after a long day of diving.
Is the Nautilus Under Sea Liveaboard suitable for non-divers?
Yes, the Nautilus Under Sea Liveaboard is suitable for non-divers, with activities such as kayaks, stand up paddleboards and snorkelling. These keep everyone involved between dives and make the trip enjoyable for partners or friends who prefer to stay above the surface.
Is there a naturalist guide or naturalist itinerary on the Nautilus Under Sea Liveaboard?
Naturalist guiding or itineraries are not listed for the Nautilus Under Sea Liveaboard.
Is there a library on the Nautilus Under Sea Liveaboard?
A library is not listed for the Nautilus Under Sea Liveaboard.
Is yoga offered on the Nautilus Under Sea Liveaboard?
Yoga is not listed for the Nautilus Under Sea Liveaboard.
Are wellness services available on the Nautilus Under Sea Liveaboard?
Massage, spa, sauna, or yoga facilities are not listed for the Nautilus Under Sea Liveaboard.
Are jet skis available on the Nautilus Under Sea Liveaboard?
Jet skis are not listed for the Nautilus Under Sea Liveaboard.
Is water skiing available on the Nautilus Under Sea Liveaboard?
Water skiing is not listed for the Nautilus Under Sea Liveaboard.
Is wakeboarding available on the Nautilus Under Sea Liveaboard?
Wakeboarding is not listed for the Nautilus Under Sea Liveaboard.
Is fishing offered on the Nautilus Under Sea Liveaboard?
Fishing is not listed for the Nautilus Under Sea Liveaboard.
Is there a glass bottom boat on the Nautilus Under Sea Liveaboard?
A glass bottom boat is not listed for the Nautilus Under Sea Liveaboard.
Are land excursions included on the Nautilus Under Sea Liveaboard?
Land excursions are not listed as included for the Nautilus Under Sea Liveaboard.

Included in the price of the liveaboard trip:

  • Kayaks
  • Stand-up paddle boards
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SDE Liveaboard Rating – Underwater Photographer Features for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea liveaboard, it scores 60% on the SDE Underwater Photographer Rating, as it has 3 of 5 key photographer facilities (see below).

The Nautilus Under Sea liveaboard has a dedicated camera station close to the dive deck, which lets you gear up quickly, check your housing and swap batteries or memory cards between dives. In addition, it provides dedicated charging stations for cameras, strobes, torches and laptops so your batteries are always topped up and ready for the next dive.

What’s more, it offers WiFi internet onboard as a paid extra, so you can still back up key images and stay connected between dives if you need to.

A review of the underwater photographer facilities found on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with a specific facility, click a feature to open a new window with a collection of dive liveaboards that have this facility:

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Underwater photographer FAQs for the Nautilus Under Sea Liveaboard
Is there a dedicated camera room on the Nautilus Under Sea Liveaboard?
There is no separate camera room listed for the Nautilus Under Sea Liveaboard, but there is a dedicated camera station with charging nearby so you still have a clear area for camera work.
Does the Nautilus Under Sea Liveaboard have a dedicated camera table or workstation?
Yes, the Nautilus Under Sea Liveaboard provides a dedicated camera table or workstation so you can assemble housings and lenses without taking over the dining table.
Are there charging stations for cameras and batteries on the Nautilus Under Sea Liveaboard?
Yes, charging stations are listed on the Nautilus Under Sea Liveaboard, giving you sockets for batteries, strobes, torches, and laptops in a central area.
Is there a separate rinse tank for underwater cameras on the Nautilus Under Sea Liveaboard?
A dedicated camera rinse tank is not listed for the Nautilus Under Sea Liveaboard. Rinsing is usually done in general gear tanks, so extra care is needed around other equipment.
Does the Nautilus Under Sea Liveaboard have WiFi for backing up and sharing photos?
Yes, WiFi internet is available on the Nautilus Under Sea Liveaboard as a paid extra. Connections are typically suited to messaging and light backups rather than large RAW uploads.
Is the Nautilus Under Sea Liveaboard a good choice for serious underwater photographers?
The Nautilus Under Sea Liveaboard has a more general dive-boat set-up. Keen photographers can still work from standard decks and charging points, but facilities are less specialised.
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SDE Liveaboard Rating – Technical Diving Features for the Nautilus Under Sea Liveaboard

On reviewing the Nautilus Under Sea liveaboard, it scores 66% on the SDE Tech Diving Rating, as it has 2 of 3 key technical diving features (see below).

If you dive rebreather, the Nautilus Under Sea provides support, but it’s worth confirming in advance which rebreathers are supported and whether oxygen fills, sorb availability, and bailout requirements are in place, because this can vary by region and itinerary. In addition, If you dive sidemount, the Nautilus Under Sea supports it, but when planning your dives check cylinder options and the deck set-up, so your configuration is comfortable and properly supported for the dives planned.

A review of the technical diving features found on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with a specific feature, click a feature to open a new window with a collection of dive liveaboards that have this feature.

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The technical diving features that are not found on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with this feature, click the feature below to open a new window with a collection of liveaboards that have this feature.

Tech diving FAQs for the Nautilus Under Sea Liveaboard
Is sidemount diving supported on the Nautilus Under Sea Liveaboard?
Yes, sidemount diving is supported on the Nautilus Under Sea Liveaboard, and it is listed for a full two tank sidemount set up, tell the boat you want to dive sidemount when you book so they can prepare cylinders and harness points for you.
Is technical diving supported on the Nautilus Under Sea Liveaboard?
Technical diving is not listed as a standard service on the Nautilus Under Sea Liveaboard, please confirm before you book if you intend to do technical dives on the Nautilus Under Sea Liveaboard.
Is rebreather diving supported on the Nautilus Under Sea Liveaboard?
Yes, rebreather divers can be supported on the Nautilus Under Sea Liveaboard, please confirm sorb, oxygen and bailout requirements before sailing.

All Mexico's Discounted Liveaboard Deals & Last Minute Discounts

All liveaboard reviews on this site are written based on my real diving experience, from hundreds of dives across reefs, wreck dives, shark dives, deep dives, night dives and drysuit diving.

I’ve cold water dived in the UK, warm water dived from many of the Caribbean islands, dived both the east and west coasts of Australia, the Red Sea, South Africa and dived the east and west coasts of the USA, and I’ve also spent time and enjoyed diving from liveaboards myself too.

My aim; to always give you clear, honest, practical advice, so you can book the right dive boat and enjoy the best possible liveaboard diving holiday, be that on the Nautilus Under Sea or any other liveaboard I've reviewed on Scuba Diving Earth.

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Nautilus Under Sea Included in the Price

When you book the Nautilus Under Sea dive liveaboard, your cruise price includes key items for an amazing dive safari in Mexico. All your meals are included, so you can focus on diving.

These inclusions provide excellent value and a hassle-free cruise experience. Below is everything included in your Nautilus Under Sea liveaboard fare.

A review of the list of features 'included' in the price of the Nautilus Under Sea liveaboard. If you want to find all liveaboards with a specific feature included in the price, click a feature to open a new window with a collection of dive liveaboards that have this feature:

  • Included Cabin towels
  • Included Complimentary toiletries
  • Included Deck towels
  • Included Diving package
  • Included Drinking water
  • Included Full-board meal plan (All meals)
  • Included Kayaks
  • Included Snacks
  • Included Soft drinks
  • Included Special dinner
  • Included Stand-up paddle boards
  • Included Tea & coffee
  • Included VAT
  • Included Welcome cocktails
Show features not included in the price

The other features that are not included on the Nautilus Under Sea liveaboard. If you want to find all liveaboards with this feature, click a feature to open a new window with a collection of dive liveaboards that have this feature:

  • Not included Accommodation
  • Not included Airport transfers
  • Not included Nitrox
  • Not included Snorkel equipment
  • Not included Beer
  • Not included Wine with dinner
  • Not included Dive guide
  • Not included Diving equipment
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Nautilus Under Sea Optional Paid Extras

Enhance your Nautilus Under Sea charter with these optional upgrades available for an additional cost. Nitrox helps extend your bottom time at the sites around Mexico.

These extras let you tailor the trip to your preferences. See the list below.

A review of the list of 'optional extras' charged on top of the price for the Nautilus Under Sea liveaboard. Click a feature to find liveaboards including this in the price:

  • Included Alcoholic beverages
  • Included Gratuities
  • Included Hotel transfer
  • Included Nitrox
  • Included Private dive guide
  • Included Rental gear
  • Included Travel insurance
  • Included WiFi Internet
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Nautilus Under Sea Required Paid Extras

Please note some essential costs are not included in the base price of the Nautilus Under Sea dive cruise and must be paid additionally. Marine park fees help protect the reefs you will dive in Mexico.

Budget for these mandatory costs when planning your liveaboard trip. See the list below.

A review of the list of 'required extras' not included in the price for the Nautilus Under Sea liveaboard. Click a feature to find liveaboards where this is covered in the price (when applicable):

  • Included Dive insurance
  • Included National park fees
  • Included Port fees
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Nautilus Under Sea Vessel Details

Boat type: Motor yacht (monohull). Fast transit and long range mean more time in the water and access to farther sites, with roomy dive setups and strong tender support. A spacious vessel with good deck stability during briefings and entries. Offers a perfect balance.
  • Length: 32.0m (105.0ft)
  • Beam: 7.32m (24.0ft)
  • Max guests: 19
  • Cabins: 9
  • Bathrooms: 9
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Nautilus Under Sea Boat Navigation and Safety

Navigation and safety aboard the Nautilus Under Sea Liveaboard are built around dependable positioning and rapid response.

A review of the full list of navigation and safety features for the Nautilus Under Sea Liveaboard. Nautilus Under Sea Liveaboard scores 76% on the SDE Liveaboard Rating for navigation & safety, which means it has 13 out of 17 navigation & safety features (see below for the features that are missing from this liveaboard).

  • Included Crew Trained in First Aid
  • Included Depth Sounder
  • Included E.P.I.R.B. Distress System
  • Included Emergency Flares
  • Included Emergency Rafts
  • Included Fire Alarm & Fire Extinguishers
  • Included First Aid Kits
  • Included GPS
  • Included Life Vests
  • Included Oxygen
  • Included Radar
  • Included Radio VHF/DSC/SSB
  • Included Satellite & Mobile Phones
Show features not found

The nautilus under sea boat navigation and safety that are not found on the Nautilus Under Sea Liveaboard:

  • Not included Bilge Pump Alarm
  • Not included Engine room CCTV
  • Not included Fishfinder
  • Not included Search light
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