

Best for beginner divers, 20m, boat entry, mild current.
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.
5.55012, -87.06468
When observing hammerheads, hide behind boulders on the seafloor to avoid startling the skittish sharks.
Accessible only by liveaboard vessels departing from the port city of Puntarenas.
Recorded at this site
Depth
20m
Visibility
10-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
27-30°C
Current
Mild
Typical Dive
50 min
Best Time
Year-round
While the site is rated for beginners, the presence of surge, swell, and potential currents requires a solid buoyancy foundation and comfort in variable conditions.
Dives at this site typically reach 20 metres, with an average depth of 25 metres.
Isla Cascara is a boat-only site located 550 kilometres from shore, requiring access via a liveaboard or day vessel.
Hazards include deep water, variable visibility, surge, swell, and strong currents. Divers should also avoid contact with sharp coral and rocks.
The site is primarily a dive location with depths averaging 25 metres, and there is no specific information regarding snorkelling suitability.
Diving at Isla Cascara in Cocos Island requires the following certifications: Open Water, Advanced, Deep. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Isla Cascara in Cocos Island. Water temperatures range from 27°C to 30°C.
The best months to visit Isla Cascara in Cocos Island are January, February, March, April, May, June, July, August, September, October, November, and December. Conditions outside these months can still be good but are less predictable.
Isla Cascara in Cocos Island typically has mild currents that most divers can handle comfortably.
Visibility at Isla Cascara in Cocos Island typically ranges from 10 metres to 30 metres. Conditions vary with weather, tides, and seasons.