Carysfort Trench
Conditions & tides
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Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Carysfort Trench, also called Carysfort Wall, is a wall dive on Carysfort Reef in the Florida Keys. It lies east-northeast of the Carysfort tower and is a wall of staghorn, brain and sheet corals. The wall drops 65 to 80 ft (20 to 24 m) to a sandy bottom, and the maximum depth is about 80 ft (24 m).
The reef is helped by the water quality, temperature and salinity of the Gulf Stream, which sweeps close to its seaward edge, and it has well-developed stands of elkhorn coral. Five cannons from the 1800s rest in 15 ft (4.5 m) about half a mile north of the tower, and two large anchors thought to be from an 1800s frigate lie in 30 to 40 ft (9 to 12 m) four hundred yards north-northwest of the tower.
The reef is accessible from the Ocean Reef community and from Card Sound through Angelfish Creek.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Caribbean Bluehead WrasseThalassoma bifasciatumReported here · unconfirmed
Redband ParrotfishSparisoma aurofrenatumReported here · unconfirmed
Bicolor DamselfishStegastes partitusReported here · unconfirmed
Yellowhead WrasseHalichoeres garnotiReported here · unconfirmed
Striped ParrotfishScarus iseriReported here · unconfirmed
Brazilian Ocean SurgeonfishAcanthurus bahianusReported here · unconfirmed
Atlantic Blue TangAcanthurus coeruleusReported here · unconfirmed
Yellowtail SnapperOcyurus chrysurusReported here · unconfirmed
White GruntHaemulon plumieriiReported here · unconfirmed
Clown WrasseHalichoeres maculipinnaReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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