Cabo Marshall Diving: Galápagos Mantas and Hammerheads

Cabo Marshall is a dive site in Isabela Island, Galapagos Islands.

See below for all liveaboards that dive Cabo Marshall.

The liveaboard shown opposite is the highest customer rated liveaboard diving Cabo Marshall, scoring 8.7/10. You can easily book the Nortada Liveaboard using this link.

Nortada Liveaboard
Galapagos Aggressor III

Cabo Marshall is an exposed Isabela Island dive known for manta rays, mobulas, hammerheads and schooling fish. A liveaboard gives you the best practical access to this remote coast and lets the guides adjust the entry to the day’s current, visibility and pelagic activity.

The liveaboard shown opposite is the second highest customer rated liveaboard diving Cabo Marshall, scoring 9.1/10. You can easily book the Galapagos Aggressor III liveaboard using this link.

Galapagos Islands liveaboards that dive Cabo Marshall

Below are all the dive liveaboards currently found for Cabo Marshall in Galapagos Islands, sorted from highest to lowest customer liveaboard rating, with unrated liveaboards shown last.

Nortada Liveaboard

Nortada Liveaboard

Galapagos Islands

Liveaboard Rated: 8.7/10

SDE Rating: 73%

How SDE Liveaboard Rating works for the Nortada Liveaboard: 73%

The SDE Liveaboard Rating for the Nortada 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 Nortada Liveaboard are ([Diving:10/10] + [Cabin:6/10] + [Boat:9/10] + [Dining:7/10] + [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 Nortada Liveaboard is calculated as 36/60 = 73% 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 £401.00 GBP /day

Cabins: 4·Bathrooms: 5·Guests: 12

Length: 25.66 m·Beam: 5.4 m

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 50 logged dives
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Galapagos Aggressor III

Galapagos Aggressor III

Galapagos Islands

Liveaboard Rated: 9.1/10

SDE Rating: 58%

How SDE Liveaboard Rating works for the Galapagos Aggressor III Liveaboard: 58%

The SDE Liveaboard Rating for the Galapagos Aggressor III 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 Galapagos Aggressor III liveaboard are ([Diving:9/10] + [Cabin:5/10] + [Boat:6/10] + [Dining:5/10] + [Drinks:0/10] + [Non-diver:3/10] = 28/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Galapagos Aggressor III liveaboard is calculated as 28/60 = 58% 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 £510.00 GBP /day

Cabins: 8·Bathrooms: 11·Guests: 16

Length: 100 ft·Beam: 22 ft

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 100 logged dives
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Aqua Liveaboard

Aqua Liveaboard

Galapagos Islands

Liveaboard Rated: 9.1/10

SDE Rating: 68%

How SDE Liveaboard Rating works for the Aqua Liveaboard: 68%

The SDE Liveaboard Rating for the Aqua 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 Aqua Liveaboard are ([Diving:10/10] + [Cabin:6/10] + [Boat:7/10] + [Dining:6/10] + [Drinks:0/10] + [Non-diver:3/10] = 32/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Aqua Liveaboard is calculated as 32/60 = 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 £386.00 GBP /day

Cabins: 9·Bathrooms: 9·Guests: 16

Length: 26 m·Beam: 5.5 m

Dive certification:Advanced Open Water Diver
Logged dives:Minimum 50 logged dives
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Galapagos Islands; Cabo Marshall Dive Site Details

Cabo Marshall Common Sightings

Cabo Marshall Diver Details

Useful training for this site
Advanced Open Water Diver, Drift Diver, Deep diver, Good buoyancy control skills

Suggested equipment
5mm wetsuit, 7mm wetsuit or semi-dry, Hood, Dive computer, Surface marker buoy (SMB)

Dive type
Wall, Pelagic, Drift

Entry
Boat

Minimum recommended experience
Advanced

Galapagos Islands; Cabo Marshall Dive Site Details

Water type
Salt

Water temperature
16.0°C–27.0°C

Best time to dive Cabo Marshall
Year-round; manta and pelagic encounters vary, with cooler nutrient-rich water generally from June to November.

Depth
10.0m–35.0m

Visibility
10.0m–30.0m

Current strength
Moderate, Strong

Location
0.02, -91.15

Galapagos Islands’ Cabo Marshall dive site map and location

The latitude and longitude for Galapagos Islands’ Cabo Marshall dive site are: 0.02, -91.15

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Cabo Marshall Liveaboard Dive Site

Cabo Marshall lies on the north-eastern coast of Isabela Island and is valued for encounters in open water rather than a sheltered reef tour. Manta rays and mobulas are the signature attraction, with hammerheads, Galápagos sharks, turtles, tuna and barracuda also possible. The volcanic slope and drop-off provide a viewing point while the current carries nutrient-rich water past the cape.

This is exposed diving and conditions can change quickly. Current may be strong, entries can be negative and divers need to stay close to the guide. Visibility varies with plankton, but that productive water is also what attracts rays and other pelagic life. Advanced training and calm buoyancy control are more important than chasing a particular depth.

The site is remote from the inhabited ports, making a liveaboard the practical way to dive it. An experienced crew can schedule repeated attempts or change the plan when swell makes the cape unsuitable. Routes may link Cabo Marshall with Punta Vicente Roca and the western-islands crossing.

The PADI Galápagos destination guide gives useful context on the islands’ currents, cooler seasons and large marine life. No operator can guarantee mantas or hammerheads, and the liveaboard’s briefing takes precedence over general ranges shown here.

The Cabo Marshall dive site in Galapagos Islands is visited by three dive liveaboards. The highest customer-rated liveaboard scores 9.1 out of 10. Prices across these liveaboards start from £386.00.

If you want a more intimate experience, the smallest liveaboard in this selection of the Cabo Marshall dive liveaboards is Nortada Liveaboard, which has 4 cabins, accommodates up to 12 guests, and is 25.66 m in length. If you prefer a larger boat, Aqua Liveaboard, which is 26 m in length, has 9 cabins, and accommodates up to 16 guests.

To dive the Cabo Marshall dive site, the minimum diver certification is Advanced Open Water Diver, and logged dive requirements range from minimum 50 logged dives to minimum 100 logged dives. So be careful when you choose a liveaboard that has the Cabo Marshall dive site on its itinerary, to make sure both your dive certification and level of experience match its minimum levels.

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