

Best for beginner divers, 5-14m, boat entry, mild current.
Big Grotto is a distinctive dive site on Cooper Island, British Virgin Islands, defined by a swim-through that leads under an arch into a cavernous room with a surface opening. This site is suitable for beginners and offers depths ranging from 5 to 14 metres, with an average depth of 12 metres. Divers access the site by boat, experiencing mild currents and visibility between 18 and 30 metres. The topography provides an overhead environment, requiring appropriate caution. Typical dives last approximately 45 minutes in water temperatures ranging from 26 to 30 degrees Celsius.
18.50281, -64.41626
The grotto opening can experience noticeable surge when wind and swell wrap onto the site.
Accessible by boat.
Recorded at this site
Depth
5-14m
Visibility
18-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
26-30°C
Current
Mild
Typical Dive
45 min
Best Time
Jan, Feb, Mar, Apr, Dec
Yes, the site is rated as suitable for beginner skill levels.
The site ranges from 5 to 14 metres in depth, with an average depth of 12 metres.
Big Grotto requires boat access.
Water temperatures range from 26C to 30C throughout the year.
Diving at Big Grotto in Spanish Town requires the following certifications: Open Water. Always dive within your training limits.
Yes, equipment rental is available at or near Big Grotto in Spanish Town. Contact local dive operators for specific gear availability and prices.
A rashguard or 2mm shorty is recommended for diving at Big Grotto in Spanish Town. Water temperatures range from 26°C to 30°C.
The best months to visit Big Grotto in Spanish Town are January, February, March, April, and December. Conditions outside these months can still be good but are less predictable.