Mooring, guide, and seasonal guidance.
Sheltered Simpson Bay reef with a small wreck and easy boat diving.
Sheltered Simpson Bay reef with a small wreck and easy boat diving.
Charly shoal is a sheltered Simpson Bay reef with a rocky break, sandy slopes, and barrel sponges, plus a small wreck at the end of the route. It suits easy boat dives for Open Water-level scuba divers who want a relaxed reef pass with calm water, good visibility, and regular chances for turtles, barracuda, and other reef life.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
15m+
Depth Note
Average depth around 15 m.
Best Season
Year-round; summer is usually calmer, while winter can be choppier.
Typical Conditions
Usually calm and sheltered, with a simple reef profile and good water clarity on settled days.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Keep buoyancy tight around the rocky break, barrel sponges, and small wreck; use local guidance if the sea state is less settled.
Access Restrictions
Independent access should be checked against current mooring and dive-tag rules before you go.
Legal Notes
Sint Maarten manages many dive sites with moorings and dive tags; confirm current requirements with a local operator or the Nature Foundation if you plan to go independently.
Community notes to help plan your visit.
Scuba Diving
Average depth is about 15 m, with a small wreck at the end of the route.
Freediving
Freediving is not the main use case here; it is better suited to scuba than breath-hold diving.
Snorkeling
Not a primary snorkel site; the main route is better suited to scuba than casual snorkeling.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Mooring, guide, and seasonal guidance.
St Maarten dive-site overview and Charlie's Shoal entry.
Simpson Bay resort and watersports context.
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Shallow Simpson Bay wreck-and-bridge dive with reef life.

Moon-like reef in Sint Maarten's marine park with easy local access.

Little Bay beach wreck with a shallow sandbank.

Deep reef with sponges and a wreck remnant