Isla Pajara is a reef, wall, and pinnacle system located off Cocos Island. This site is suited for advanced divers due to strong, unpredictable currents and surge. Divers typically explore between 15 and 30 metres, with visibility ranging from 10 to 30 metres. Thermoclines are common below 20 metres, often requiring a full wetsuit. Marine life includes whitetip reef sharks, spotted eagle rays, yellow-edged and Panamic green morays, king angelfish, wrasses, groupers, redlip parrotfish, triggerfish, bluefin trevally, moorish idols, rock cod, and various pufferfish. Boat access is required for this site, which also supports night diving. Divers should maintain close proximity to their guide and establish clear drift abort signals.

Chatan Bay is a pinnacle and reef site located off Cocos Island, Costa Rica. The site features a consistent depth of 13 metres and is accessible only by boat. Divers should be prepared for moderate currents and surge, which can influence the experience. Visibility at the site typically ranges between 15 and 30 metres. Given the environmental conditions and the nature of the location, this site is suited for intermediate divers. Typical dive times are approximately 40 minutes. Hazards to be aware of include sharks, strong currents, and surge.

Lobster Rock is a deep reef site located off Cocos Island, Costa Rica, requiring boat access. The topography ranges from 12 to 33 metres, with an average depth of 20 metres. Divers encounter moderate currents and frequent thermoclines that can cause abrupt temperature drops. Marine life includes Whitetip Reef sharks, Panamic Green Morays, Yellow-edged Morays, and Spiny Lobsters. Wrasses are common, alongside various reef fish such as Pacific Trumpetfish, pufferfish, triggerfish, groupers, and Redlip Parrotfish. Due to surge, sharp coral, and strong currents, this site is strictly for advanced divers. Visibility typically ranges between 15 and 30 metres. Guided tours are strongly recommended to navigate the shifting current patterns around the rock.

Isla Cascara is a reef site located within the Cocos Island marine reserve, accessible only by boat. The site features a reef and cave system with an average depth of 25 metres. Water temperatures are warm, typically ranging between 27 and 30 degrees Celsius, though thermoclines can cause temporary drops. Visibility fluctuates between 10 and 30 metres, and divers should be prepared for variable conditions. While currents are generally mild, the site is subject to surge and swell. Night diving is permitted, offering an alternative perspective of the reef structure. Divers should exercise caution regarding sharp coral and rock formations while navigating the area.

Silverado is a pinnacle and reef site located off Cocos Island, Costa Rica, offering depths between 10 and 15 metres. Accessible only by boat, this site features a moderate current that requires careful navigation around the pinnacle structure. Visibility varies significantly from 5 to 30 metres. Divers may encounter species including wrasses, yellow-edged morays, whitetip reef sharks, Panamic green morays, guineafowl puffers, Pacific trumpetfish, spotted boxfish, groupers, redlip parrotfish, triggerfish, spiny lobsters, sea stars, and combers. Water temperatures remain warm, ranging from 27 to 30 degrees Celsius. Due to the moderate current and potential for shifting directions, this site is best suited for intermediate divers.

Dirty Rock is a deepwater pinnacle system located at Cocos Island, Costa Rica. The site features a reef and pinnacle structure with depths ranging from 29 to 35 metres. Divers experience strong, consistent currents and surge, requiring advanced certification and experience with exposed, high-current environments. Visibility is typically 30 metres. Water temperatures range from 25 to 28C, though thermoclines are common and can cause temperatures to drop significantly at depth. Access is by boat only, and divers must monitor depth and surface boat traffic closely. Due to the depth and current conditions, this site is suitable only for advanced divers.

Punta Maria is a high-energy wall and reef site located 500 metres off Cocos Island. This advanced dive features depths ranging from 20 to 36 metres, with an average depth of 25 metres. Divers encounter strong currents, surge, and variable visibility between 15 and 30 metres. Thermoclines frequently cause temperature drops within the 25 to 28C range. Due to the exposed nature of the site and unpredictable current shifts, boat entry is required. Divers must possess advanced certification and strong buoyancy control skills to navigate this remote environment. Always confirm conditions with your liveaboard crew and maintain a surface marker buoy for safety during drift dives.

Alcyone is a seamount pinnacle located off Cocos Island, accessible only via liveaboard. The site features depths ranging from 25 to 36 metres, with an average depth of 27 metres. Divers experience strong, shifting currents and visibility between 15 and 35 metres. Water temperatures typically range from 25 to 28C, though thermoclines can cause temperatures to drop to 18 to 22C below 25 metres. Due to the depth, strong currents, and potential for surge, this site is suited for advanced divers. Divers must follow guide briefings closely and maintain awareness of potential hazards including cold water, deep conditions, and entanglement risks.