Sint Maarten / Saint-Martin
Sint Maarten · Caribbean
This dual-nation island in the northeastern Caribbean combines a historic shipwreck, shallow stingray flats, and labyrinthine reef formations, offering accessible diving in warm, clear waters year-round.
How this reef is doing
ⓘ How we measure thisReef state
Live science signals for this reef are still being gathered.
Coral cover
Fish life
Heat
Fishing
Open to fishing, and the water is fairly quiet.
Sources · Global Fishing Watch and reef gravity
What you will see
19 species across the dive sites here
Bananaquit
Seen 22 days ago
at Molly Beday
Least concern
Anguilla Anole
Seen 23 days ago
at Proselyte Reef
Least concern
Carib Grackle
Seen 23 days ago
at Proselyte Reef
Least concern
Anguilla Bank Ameiva
Seen 24 days ago
at Proselyte Reef
Least concern
Blue Tang
Seen 1 month ago
at Molly Beday
Least concern
French Angelfish
Seen 1 month ago
at Proselyte Reef
Least concern
Long-spined Sea Urchin
Seen 1 month ago
at The Maze
Caribbean Reef Shark
Seen 1 month ago
at Flat Island Reef
Endangered
Green Sea Turtle
Seen 1 month ago
at Proselyte Reef
Least concern
Southern Stingray
Seen 1 month ago
at Molly Beday
Near threatened
Hawksbill Sea Turtle
Seen 1 month ago
at The Maze
Critically endangered
Flamingo Tongue Cowrie
Seen 1 month ago
at Molly Beday
Spotted Moray
Seen 1 month ago
at Proselyte Reef
Least concern
Nurse Shark
Seen 1 month ago
at The Maze
Vulnerable
Glassy Sweeper
Seen 4 months ago
at The Maze
Least concern
Spotted Drum
Seen 4 months ago
at Proselyte Reef
Least concern
Boulder Star Coral
Seen year round
at Flat Island Reef
Near threatened
Sea Plume
Seen year round
at Flat Island Reef
Goliath Grouper
Seasonal visitor
at Flat Island Reef
Vulnerable
Dive sites
Proselyte Reef
spotted drum · french angelfish · spotted moray · anguilla anole
Molly Beday
southern stingray · flamingo tongue cowrie · blue tang · anguilla anole
The Maze
hawksbill sea turtle · glassy sweeper · long-spined sea urchin · nurse shark
Flat Island Reef
goliath grouper · boulder star coral · caribbean reef shark · sea plume