Dirty Rock

Type:

Scuba Diving

Entry:⚓Boat Entry

Difficulty:Unknown

Tags:

DeepReef

About This Dive Spot

Dirty Rock, located off Costa Rica's Cocos Island, is an advanced dive site with depths ranging from 10 to 35 meters and visibility exceeding 30 meters. Divers can encounter schools of hammerhead sharks, horse-eyed jacks, turtles, eagle rays, and reef sharks. Due to strong currents, this site is recommended for experienced divers only.

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Spots Near Dirty Rock

📍 4.2 km

Manuelita Coral Garden

⚓

Manuelita Coral Garden is a hard-coral reef system off Chatham Bay, reaching a maximum depth of about 21 m. It’s described as being sheltered from strong currents, which can make the dive more approachable across experience levels. Divers can encounter a mix of reef and pelagic life here, including eels, lobsters, rays, and several shark species such as blacktips, whitetips, and hammerheads. The high season is noted as December through April.

📍 7.4 km

Alcyone, Cocos Island

⚓

Alcyone is an underwater mountain off Cocos Island, known for challenging conditions and big-animal encounters. Strong to very strong currents can occur, and divers descend using a rope. The site has a stated maximum depth of 30 m and is recommended only for very experienced divers. Large schools of hammerhead sharks are frequently seen, along with dolphins, Galapagos sharks, and large marble rays.

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Frequently Asked Questions

What's the best entry point at Dirty Rock?

Entry at Dirty Rock is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Dirty Rock?

Optimal conditions at Dirty Rock depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Dirty Rock?

Depth and visibility information for Dirty Rock can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Dirty Rock?

When diving Dirty Rock, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.