Dive-site story
South of St. Thomas, Cow Rock is formed by coral-encrusted surge channels, swim-throughs, and arches cut through volcanic rock. Sunlight cuts through overhead clefts onto resting nurse sharks and silversides grouped under ledges. Surrounding spur-and-groove reefs give way to sand flats where southern stingrays and green sea turtles feed.
Interconnected volcanic swim-throughs and coral arches
Nurse sharks sheltered beneath ledges
Schools of juvenile silversides hunted by tarpon and horse-eye jacks
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Calm surface conditions and clear water coincide with winter and spring, outside the regional hurricane season.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nurse sharkGinglymostoma cirratum | Common | ||||||||||||
| Southern stingrayHypanus americanus | Common | ||||||||||||
| TarponMegalops atlanticus | Common | ||||||||||||
| French angelfishPomacanthus paru | Common | ||||||||||||
| Green sea turtleChelonia mydas | Common |
Marine forecast
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