Cerralvo Island Dive Site: Mexico Liveaboard Guide

Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) is a dive site in Sea of Cortez, Mexico.

See below for all liveaboards that dive Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island).

The liveaboard shown opposite is the highest customer rated liveaboard diving Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island), scoring 9.3/10. You can easily book the Rocio del Mar liveaboard using this link.

Rocio del Mar
Nautilus Under Sea

Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) offers exposed island reefs and seamounts that attract schooling fish, rays and sharks in open Sea of Cortez water. The best experience comes from matching the dive to current, season and exposure rather than relying on the name alone. Liveaboard access adds earlier entries, flexible timing and a practical way to combine this site with other remote Mexican reefs.

The liveaboard shown opposite is the second highest customer rated liveaboard diving Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island), scoring 8.9/10. You can easily book the Nautilus Under Sea liveaboard using this link.

Mexico liveaboards that dive Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island)

Below are all the dive liveaboards currently found for Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) in Mexico, sorted from highest to lowest customer liveaboard rating, with unrated liveaboards shown last.

Rocio del Mar

Rocio del Mar

Mexico

Liveaboard Rated: 9.3/10

SDE Rating: 68%

How SDE Liveaboard Rating works for the Rocio del Mar Liveaboard: 68%

The SDE Liveaboard Rating for the Rocio del Mar liveaboard works by taking the six individual SDE Liveaboard Rating scores, with each one being scored out of 10 and then adding them together. For the Rocio del Mar liveaboard are ([Diving:9/10] + [Cabin:6/10] + [Boat:7/10] + [Dining:8/10] + [Drinks:0/10] + [Non-diver:3/10] = 33/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Rocio del Mar liveaboard is calculated as 33/60 = 68% SDE Liveaboard Rating.

This makes it easy to compare different liveaboards at a glance. See a more detailed explanation of how SDE Liveaboard Rating works together with all dive liveaboards ranked by SDE Liveaboard Rating .

From £279.00 GBP /day

Cabins: 10·Bathrooms: 10·Guests: 20

Length: 89 ft·Beam: 25 ft

Dive certification:Open Water Diver
Logged dives:No minimum number of logged dives
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Nautilus Under Sea

Nautilus Under Sea

Mexico

Liveaboard Rated: 8.9/10

SDE Rating: 78%

How SDE Liveaboard Rating works for the Nautilus Under Sea Liveaboard: 78%

The SDE Liveaboard Rating for the Nautilus Under Sea liveaboard works by taking the six individual SDE Liveaboard Rating scores, with each one being scored out of 10 and then adding them together. For the Nautilus Under Sea liveaboard are ([Diving:10/10] + [Cabin:6/10] + [Boat:9/10] + [Dining:8/10] + [Drinks:0/10] + [Non-diver:5/10] = 38/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Nautilus Under Sea liveaboard is calculated as 38/60 = 78% SDE Liveaboard Rating.

This makes it easy to compare different liveaboards at a glance. See a more detailed explanation of how SDE Liveaboard Rating works together with all dive liveaboards ranked by SDE Liveaboard Rating .

From £124.00 GBP /day

Cabins: 9·Bathrooms: 9·Guests: 19

Length: 89 ft·Beam: 24 ft

Dive certification:Open Water Diver
Logged dives:No minimum number of logged dives
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Nautilus Gallant Lady

Nautilus Gallant Lady

Mexico

Liveaboard Rated: 8.7/10

SDE Rating: 83%

How SDE Liveaboard Rating works for the Nautilus Gallant Lady Liveaboard: 83%

The SDE Liveaboard Rating for the Nautilus Gallant Lady liveaboard works by taking the six individual SDE Liveaboard Rating scores, with each one being scored out of 10 and then adding them together. For the Nautilus Gallant Lady liveaboard are ([Diving:10/10] + [Cabin:6/10] + [Boat:9/10] + [Dining:8/10] + [Drinks:0/10] + [Non-diver:8/10] = 41/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Nautilus Gallant Lady liveaboard is calculated as 41/60 = 83% SDE Liveaboard Rating.

This makes it easy to compare different liveaboards at a glance. See a more detailed explanation of how SDE Liveaboard Rating works together with all dive liveaboards ranked by SDE Liveaboard Rating .

From £289.00 GBP /day

Cabins: 6·Bathrooms: 6·Guests: 16

Length: 166 ft·Beam: 22 ft

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 50 logged dives
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Nautilus Explorer

Nautilus Explorer

Mexico

Liveaboard Rated: 8.9/10

SDE Rating: 75%

How SDE Liveaboard Rating works for the Nautilus Explorer Liveaboard: 75%

The SDE Liveaboard Rating for the Nautilus Explorer liveaboard works by taking the six individual SDE Liveaboard Rating scores, with each one being scored out of 10 and then adding them together. For the Nautilus Explorer liveaboard are ([Diving:10/10] + [Cabin:5/10] + [Boat:9/10] + [Dining:8/10] + [Drinks:0/10] + [Non-diver:4/10] = 36/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Nautilus Explorer liveaboard is calculated as 36/60 = 75% SDE Liveaboard Rating.

This makes it easy to compare different liveaboards at a glance. See a more detailed explanation of how SDE Liveaboard Rating works together with all dive liveaboards ranked by SDE Liveaboard Rating .

From £208.00 GBP /day

Cabins: 13·Bathrooms: 13·Guests: 25

Length: 115 ft·Beam: 27 ft

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 50 logged dives
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MV Nautilus Belle Amie

MV Nautilus Belle Amie

Mexico

Liveaboard Rated: 9.3/10

SDE Rating: 75%

How SDE Liveaboard Rating works for the MV Nautilus Belle Amie Liveaboard: 75%

The SDE Liveaboard Rating for the MV Nautilus Belle Amie liveaboard works by taking the six individual SDE Liveaboard Rating scores, with each one being scored out of 10 and then adding them together. For the MV Nautilus Belle Amie liveaboard are ([Diving:8/10] + [Cabin:6/10] + [Boat:8/10] + [Dining:8/10] + [Drinks:0/10] + [Non-diver:6/10] = 36/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the MV Nautilus Belle Amie liveaboard is calculated as 36/60 = 75% SDE Liveaboard Rating.

This makes it easy to compare different liveaboards at a glance. See a more detailed explanation of how SDE Liveaboard Rating works together with all dive liveaboards ranked by SDE Liveaboard Rating .

From £221.00 GBP /day

Cabins: 17·Bathrooms: 17·Guests: 32

Length: 147 ft·Beam: 33 ft

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 50 logged dives
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Adventure Liveaboard

Adventure Liveaboard

Mexico

Liveaboard Rated: 9.4/10

SDE Rating: 56%

How SDE Liveaboard Rating works for the Adventure Liveaboard: 56%

The SDE Liveaboard Rating for the Adventure Liveaboard works by taking the six individual SDE Liveaboard Rating scores, with each one being scored out of 10 and then adding them together. For the Adventure Liveaboard are ([Diving:10/10] + [Cabin:5/10] + [Boat:6/10] + [Dining:6/10] + [Drinks:0/10] + [Non-diver:1/10] = 28/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Adventure Liveaboard is calculated as 28/60 = 56% SDE Liveaboard Rating.

This makes it easy to compare different liveaboards at a glance. See a more detailed explanation of how SDE Liveaboard Rating works together with all dive liveaboards ranked by SDE Liveaboard Rating .

From £229.00 GBP /day

Cabins: 10·Bathrooms: 2·Guests: 19

Length: 100 ft·Beam: 22 ft

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 30 logged dives
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Mexico; Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) Dive Site Details

Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) Common Sightings

Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) Diver Details

Useful training for this site
Open Water Diver, Good buoyancy control skills, Drift Diver, Enriched Air (Nitrox) Diver

Suggested equipment
3mm wetsuit, 5mm wetsuit, Dive computer, Surface marker buoy (SMB), Nitrox

Dive type
Reef, Wall, Drift, Pelagic

Entry
Boat, Zodiac/RIB

Minimum recommended experience
Intermediate

Mexico; Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) Dive Site Details

Water type
Salt

Water temperature
20.0°C–30.0°C

Best time to dive Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island)
Year-round, with warmer water generally from July to November and cooler, often clearer water from December into spring; wildlife is strongly seasonal.

Depth
5.0m–30.0m

Visibility
10.0m–30.0m

Current strength
Generally mild, Moderate

Location
24.2, -109.82

Mexico’s Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) dive site map and location

The latitude and longitude for Mexico’s Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) dive site are: 24.2, -109.82

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Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) Liveaboard Dive Site

Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) is known for exposed island reefs and seamounts that attract schooling fish, rays and sharks in open Sea of Cortez water. It is not a guaranteed wildlife performance: water movement, visibility and encounters vary by season and from one dive to the next, which is why the guide’s local briefing matters as much as the published range.

The minimum experience level shown here reflects the wider site in normal liveaboard conditions. Divers should be comfortable with the listed entry method, maintain controlled buoyancy and carry an appropriate surface marker. If current, swell or depth is stronger than expected, the crew may change the route, move the entry point or choose a different site.

Some locations can be reached by day boat, but a liveaboard covers much more of the Gulf, arrives before local traffic and can select the best tide window. Sheltered reefs may be offered as night dives, while exposed walls and pinnacles are normally reserved for daylight.

UNESCO’s Islands and Protected Areas of the Gulf of California listing explains the environmental or management context for this part of Mexico. Follow all zoning, wildlife-distance and no-touch rules, and remember that coordinates on this page identify the general site rather than replacing the operator’s current entry position.

For a useful comparison on the same broader itinerary, see La Reyna. Linking the sites makes it easier to understand how crews balance sheltered reefs, exposed pinnacles and seasonal wildlife during a voyage.

The Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) dive site in Mexico is visited by six dive liveaboards. The highest customer-rated liveaboard scores 9.4 out of 10. Prices across these liveaboards start from £124.00.

If you want a more intimate experience, the smallest liveaboard in this selection of the Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) dive liveaboards is Nautilus Gallant Lady, which has 6 cabins, accommodates up to 16 guests, and is 166 ft in length. If you prefer a larger boat, MV Nautilus Belle Amie, which is 147 ft in length, has 17 cabins, and accommodates up to 32 guests.

To dive the Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) dive site, the minimum diver certification ranges from Open Water Diver to Advanced Open Water Diver, and logged dive requirements range from no minimum number of logged dives to minimum 50 logged dives. So be careful when you choose a liveaboard that has the Cerralvo Island (Isla Cerralvo; Jacques Cousteau Island) dive site on its itinerary, to make sure both your dive certification and level of experience match its minimum levels.

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