Conditions & tides
Scored by DiveConnect's site-physics model
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
First Reef sits in the Florida Keys, off the coast near Marathon in Monroe County. It tops out at a shallow maximum depth of around 6 metres, making it a beginner-friendly dive. Divers here have reported moray eels, nurse sharks, octopus, parrotfish, sea turtles, snapper, and stingrays along the reef.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Nurse SharkGinglymostoma cirratumReported here · unconfirmed
ParrotfishParrotfishReported here · unconfirmed
Sea turtleSea turtleReported here · unconfirmed
StingrayStingrayReported here · unconfirmed
Moray eelMoray eelReported here · unconfirmed
OctopusOctopusReported here · unconfirmed
SnapperSnapperReported here · unconfirmed
Nurse sharkNurse sharkReported 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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