

Best for intermediate divers, 22-28m, boat entry, mild current.
Isabella Reef is located in the Man of War Shoal Marine Park off Simpson Bay South, Sint Maarten. This site features a combination of reef structures and wreck elements at depths ranging from 22 to 28 metres, with an average depth of 25 metres. Divers encounter mild currents and visibility between 10 and 30 metres. A thermocline is present, resulting in cooler water at depth. Due to the depth and presence of sharks, this site is suitable for intermediate divers. Access is by boat only, and the site is not suitable for snorkelling. Divers should be aware of active boat traffic and exercise caution during surface intervals.
18.02390, -63.11770
Request the helicopter or airplane wreck if conditions allow, as these are not sites encountered on most Caribbean islands.
Boat trips depart from Cole Bay.
Recorded at this site
Depth
22-28m
Visibility
10-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
27-30°C
Current
Mild
Typical Dive
50 min
Best Time
Jan, Feb, Mar, Apr, May, Dec
Species recorded around this area include Rock Beauty, French Angelfish, Great Barracuda, Indian Lionfish, Fairy Basslet, Queen Angelfish, Nurse Shark, Spotted Moray, Caribbean Ocean Surgeonfish, wrasses, Pacific Trumpetfish, Flamingo Tongue, Blue Tang, and Whiptail Stingray.
No, this site is classified as intermediate due to the depth profile of 22 to 28 metres.
The site ranges from 22 to 28 metres, with an average depth of 25 metres.
This is a boat-only dive site located 1000 metres from the shore.
No, snorkelling is not applicable at this site due to the deep profile.
Diving at Isabella reef in Cole Bay requires the following certifications: Advanced. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Isabella reef in Cole Bay. Water temperatures range from 27°C to 30°C.
The best months to visit Isabella reef in Cole Bay are January, February, March, April, May, and December. Conditions outside these months can still be good but are less predictable.
Divers at Isabella reef in Cole Bay should be aware of lionfish. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Isabella reef in Cole Bay typically has mild currents that most divers can handle comfortably.
Visibility at Isabella reef in Cole Bay typically ranges from 10 metres to 30 metres. Conditions vary with weather, tides, and seasons.