Costa Rica
Dirty Rock
About this Dive Site
Description
Dirty Rock, a prominent rocky pinnacle off Cocos Island, is a magnet for pelagic life and a highlight for advanced divers. Prepare for thrilling encounters with schooling hammerheads, sleek white-tip reef sharks, majestic manta rays, and various species of sea turtles in this biodiverse hotspot.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28°C | 28°C | 29°C | 29°C | 30°C | 30°C | 30°C | 30°C | 30°C | 29°C | 29°C | 28°C |
Peak Season
March, April, January, February, May, September, October, November, December
Jan
Hammerhead shark season begins, good for large schools
Feb
Peak hammerhead shark season
Mar
Excellent visibility, abundant hammerheads, mantas, and other pelagics
Apr
Continued excellent conditions, whale shark sightings possible
More monthly highlights
May
Manta ray season, good for schooling fish
Jun
Rainy season, potential for reduced visibility and rougher seas
Jul
Rainy season, reduced visibility
Aug
Rainy season, reduced visibility
Sep
End of rainy season, visibility improving, manta rays present
Oct
Hammerhead sharks begin to return in numbers
Nov
Hammerhead shark season, good for large schools
Dec
Continued hammerhead shark sightings
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