
Must see
Sombrero Reef
Upcoming departures
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60% of divers returns to us
60% of divers returns to us
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All about Sombrero Reef dive site
Depth max
11 m
Diver level
Novice
Visibility
to 30 m
Sombrero Reef, off Marathon, is a classic Middle Keys reef with a lighthouse landmark above water and shallow coral structure below. It has a bright, accessible profile for reef diving and snorkelling.
What to see
Coral heads, sea fans, sponges, parrotfish, angelfish, grunts, snappers, barracuda, rays, turtles, and lobsters may be seen.
When To Go Diving
Best from May to October, although winter can still be good on calm days. Water is usually around 20–30°C.




