Cocos Island

Guide to diving Cocos Island in Costa Rica

Discover dive sites, liveaboards, and top sea creatures linked to Cocos Island in Costa Rica.

The liveaboard shown opposite is the highest customer rated Costa Rica liveaboard diving Cocos Island. You can easily book the Cocos Island Aggressor liveaboard, scoring 8.6/10, using this link.

1 Countries
17 Dive sites
2 Liveaboards
20 Creatures

Sea creatures found in Cocos Island

Here are the main sea creatures found across dive sites in Cocos Island, grouped by type so you can quickly see what marine life you may encounter.

Creature type Sea creatures
Coral Hard coral
Eels Moray eels
Jack Mackerel Family Jacks (Jackfish)
Other sea creatures Galapagos sharks , Silky sharks
Pelagic fish Yellowfin tuna
Rays Manta rays (Mantas) , Spotted eagle rays
Reef fish Barracuda , Batfish , Frogfish , Horse-eye jack , Reef fish
Sea turtles Green turtles
Sharks Scalloped hammerhead sharks , Tiger sharks , Whale sharks , Whitetip reef sharks
Whales and dolphins Dolphins , Humpback whales

Dive sites in Cocos Island

The following dive sites are found in Cocos Island. Each site below shows the liveaboards that dive there.

Dive site Liveaboards that dive this site
Cocos Island Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Bajo Alcyone Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Big Dos Amigos Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Bird Island, Chatham Bay Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Dirty Rock Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Manuelita Outside Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Ubing Rock, Wafer Bay Cocos Island Aggressor Liveaboard, Okeanos Aggressor II Liveaboard
Lobster Rock —
Silverado —
Submerged Rock —
Bait Ball —
Shark Fin Rock —
Bajo Dos Amigos —
Small Dos Amigos —
Punta Maria —
Viking Rock —
Manuelita Coral Garden —

Liveaboards, dive sites, and top sea creatures in Cocos Island

Cocos Island Aggressor Liveaboard

Cocos Island Aggressor Liveaboard

Cocos Island top sea creatures: Barracuda, Dolphins, Galapagos sharks, Scalloped hammerhead sharks, Horse-eye jack, Humpback whales, Manta rays (Mantas), Reef fish, Silky sharks, Spotted eagle rays, Whale sharks, Whitetip reef sharks
Bajo Alcyone top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Whitetip reef sharks, Spotted eagle rays, Manta rays (Mantas), Whale sharks, Jacks (Jackfish), Yellowfin tuna
Big Dos Amigos top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Whitetip reef sharks, Whale sharks, Spotted eagle rays, Manta rays (Mantas), Jacks (Jackfish)
Bird Island, Chatham Bay top sea creatures: Scalloped hammerhead sharks, Whitetip reef sharks, Spotted eagle rays, Green turtles, Reef fish, Moray eels
Dirty Rock top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Whitetip reef sharks, Whale sharks, Dolphins, Spotted eagle rays, Manta rays (Mantas), Jacks (Jackfish), Barracuda
Manuelita Outside top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Tiger sharks, Whale sharks, Manta rays (Mantas), Spotted eagle rays, Jacks (Jackfish), Green turtles
Ubing Rock, Wafer Bay top sea creatures: Whitetip reef sharks, Spotted eagle rays, Green turtles, Moray eels, Reef fish, Frogfish
Okeanos Aggressor II Liveaboard

Okeanos Aggressor II Liveaboard

Cocos Island top sea creatures: Barracuda, Dolphins, Galapagos sharks, Scalloped hammerhead sharks, Horse-eye jack, Humpback whales, Manta rays (Mantas), Reef fish, Silky sharks, Spotted eagle rays, Whale sharks, Whitetip reef sharks
Bajo Alcyone top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Whitetip reef sharks, Spotted eagle rays, Manta rays (Mantas), Whale sharks, Jacks (Jackfish), Yellowfin tuna
Big Dos Amigos top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Whitetip reef sharks, Whale sharks, Spotted eagle rays, Manta rays (Mantas), Jacks (Jackfish)
Bird Island, Chatham Bay top sea creatures: Scalloped hammerhead sharks, Whitetip reef sharks, Spotted eagle rays, Green turtles, Reef fish, Moray eels
Dirty Rock top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Whitetip reef sharks, Whale sharks, Dolphins, Spotted eagle rays, Manta rays (Mantas), Jacks (Jackfish), Barracuda
Manuelita Outside top sea creatures: Scalloped hammerhead sharks, Galapagos sharks, Tiger sharks, Whale sharks, Manta rays (Mantas), Spotted eagle rays, Jacks (Jackfish), Green turtles
Ubing Rock, Wafer Bay top sea creatures: Whitetip reef sharks, Spotted eagle rays, Green turtles, Moray eels, Reef fish, Frogfish

Top liveaboards diving Cocos Island

The following liveaboards are the highest ranked dive boats by SDE Liveaboard Rating, to help you compare the best options for diving Cocos Island.

How SDE Liveaboard Rating works for the Cocos Island Aggressor Liveaboard: 68%

The SDE Liveaboard Rating is Scuba Diving Earth’s own scoring system for comparing dive liveaboards at a glance. It adds together six individual category scores, each scored out of 10, covering the boat, cabins, diving, food, drinks, and non-diver companion features.

For the Cocos Island Aggressor Liveaboard, those category scores combine into an overall SDE Liveaboard Rating of 68%. This helps you compare the overall onboard experience more quickly across the liveaboards shown below.

The SDE Liveaboard Rating for the Cocos Island Aggressor 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 Cocos Island Aggressor liveaboard are ([Diving:10/10] + [Cabin:7/10] + [Boat:7/10] + [Dining:6/10] + [Drinks:0/10] + [Non-diver:2/10] = 32/60). This total is compared to the maximum possible score of 60/60 to turn it into an overall percentage – which for the Cocos Island Aggressor 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 .