Submerged Rock - Cocos Island
Submerged Rock is exactly that: a large rock formation sitting just below the surface, acting as a magnet for pelagic action. We often see schooling hammerheads here, cruising in the current off the deeper walls. White-tip reef sharks are common too, sometimes resting in the crevices. This site is definitely one for experienced divers comfortable with surge and potentially strong currents, keeping an eye out for bigger fish.
- Location
- Cocos Island, Costa Rica, Central America
- Coordinates
- 5.506811, -87.057040
- Type
- pinnacle
- Maximum Depth
- 15-40m
Marine Protected Area: Isla del Coco
Nearby Dive Sites in Cocos Island
- Alcyone - 25-40m (cave)
- Bait Balls
- Bajo Alcyone (pinnacle)
- Bajo Dos Amigos
- Dirty Rock - 15-40m (pinnacle)
- Dirty Rock
- Dos Amigos - Big
- Dos Amigos Grande
- Dos Amigos Pequeño - 15-30m (pinnacle)
- Dos Amigos - Small
- Isla Cascara - 15-35m (wall)
- Isla Manuelita - 10-35m (wall)
- Isla Pajara
- Lobster Rock
- Manuelita Deep
Marine Life in Cocos Island
Home to 291 recorded species including 245 reef fish, 28 sharks & rays, 8 whales & dolphins, 3 other, 3 sea cucumbers, 1 starfish.
Notable Species
- Agujon Needlefish (Tylosurus acus) - Reef Fish
- Blackfish (Melichthys niger) - Reef Fish
- Salmon (Elagatis bipinnulata) - Reef Fish
- Cortez Rainbow Wrasse (Thalassoma lucasanum) - Reef Fish
- Kawakawa (Euthynnus affinis) - Reef Fish
- Notchfin Blenny (Entomacrodus chiostictus) - Reef Fish
- Ocean Triggerfish (Canthidermis maculata) - Reef Fish
- Giant Hawkfish (Cirrhitus rivulatus) - Reef Fish
- Coral Hawkfish (Cirrhitichthys oxycephalus) - Reef Fish
- Kingston (Decapterus macarellus) - Reef Fish
- Devilfish (Ophioblennius atlanticus) - Reef Fish
- Mexican hogfish (Bodianus diplotaenia) - Reef Fish
- Ring-tailed Surgeonfish (Acanthurus xanthopterus) - Reef Fish
- Scalloped hammerhead (Sphyrna lewini) - Sharks & Rays
- Giant damselfish (Microspathodon dorsalis) - Reef Fish
- Kihikihi (Zanclus cornutus) - Reef Fish
- Cowfish (Tursiops truncatus) - Whales & Dolphins
- Bluefish (Kyphosus vaigiensis) - Reef Fish
- Whitetip reef shark (Triaenodon obesus) - Sharks & Rays
- Glasseye Snapper (Heteropriacanthus cruentatus) - Reef Fish