Lobster Rock – An Easy Entry to the Underwater World of Cocos Island

Photo courtesy from Undersea Hunter Group

Dive Profile

Type of Diving: Liveaboard, Reef and Deep Diving
Maximum Depth: 33 meters (110 feet)
Average Depth: 20 meters (60 feet)
Visibility: 30 meters (100 feet)
Water Temperature: 78 – 84 OF (26 – 29 OC)

The Usual Dive Plan

Unlike any other dive site in Cocos island where water current and surge mostly affects the initial part of your descent, Lobster Rock has a pretty much tranquil environment courtesy from the calmer seas of the north coast. This rocky protrusion located off the northern edge of Cocos Island has a shape that resembles like a small finger and is completely surrounded by white sand.

Photo courtesy from www.californiaoutdoorsqas.com

Filled with cracks and crevices, Lobster Rock got its name from a highly-priced seafood delicacy, which is of course, Lobsters. Also named as the “Crevasse Rock”, a single glance in most of the underwater cracks and crevices found at 12 – 20 meters (40 – 60 feet) deep, allows you to see a variety of lobster species that is often found in groups. Here, you can see Pronghorn Spiny Lobster (Panulirus penicillatus), Royal Spiny Lobster (Panulirus regius) and the Painted Spiny Lobster (Panulirus versicolor).


Just Look and No Touching Please

Photo courtesy from Squirrel Thoughts

Yes, we know that you cannot get rid of associating these wild lobsters to the one served in your plate where this mouth-watering dish gives you an explosion of flavors during a gastronomic feast. But allow us to remind you that you are not here in Lobster Rock, as well as in other dive sites around Cocos Island, to exploit the resources. In fact, correct us if we are wrong, you are here in support of conserving this delicate marine ecosystem. On top of that, Cocos Island has been declared a National Park by the Costa Rican Government and a World Heritage Site by UNESCO. In case you forget that, threat the previous sentence as our own and simple way of reminding you. So, if you really want to taste this mouth watering seafood dish, then we suggest you try it in a restaurant where their stock of lobsters are harvested in a sustainable manner.

It’s not just about Lobsters

Photo courtesy from Undersea Hunter Group

Even if it is named after a marine crustacean, it does not mean that you don’t see other marine wildlife. Actually, Lobster Rock is teeming with life regardless of what depth you explore. For example, the shallow portion is a haven for bottom dwellers like frogfish, surgeonfish, moray eels and whitetip reef sharks. In mid water, you will usually see gentle-gliding animals like sea turtles, giant manta rays, spotted eagle rays or the highly mobile yellowfin tuna, silvertip sharks and tiger sharks as some divers have already encountered.

If you think life is boring in the sandy bottom, then you may reconsider thinking again after having explored the depths of Lobster Rock where there is a healthy population of garden eels, marble rays and the elusive deepsea rosy-lipped batfish.

Book Cocos Island Journey


Sealifebase: www.sealifebase.org

Undersea Hunter Group: www.underseahunter.com

Wanna Dive: www.wannadive.net

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