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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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To offset the loss of natural reef habitat, Palm Beach County partnered with local fishing and diving groups to create an artificial reef program. What started as a grassroots effort has grown into something remarkable. For more than forty years, Palm Beach County has been placing ocean-compatible materials on the seafloor to create new habitat, protect natural reefs from overuse, and give divers and anglers new places to explore. The county's formal artificial reef program was established in 1985, and since then the Department of Environmental Resources Management has deployed over 55 vessels, 100,000 tons of concrete, and 133,000 tons of limestone boulders, creating a reef system that stretches from Tequesta to Boca Raton.
Murphy II sits at around 75 feet, squarely in the zone where Palm Beach's offshore reefs tend to thrive. More than 300 species of fish and hundreds of coral and sponge species are found in these waters. On a reef like Murphy II, that diversity shows up fast. The reef structure draws an abundance of marine life that aggregates along the hard surfaces and finds shelter in crevices and undercuts, with large schools of grunts, porkfish, and snappers often milling in front of or beneath overhangs, while spadefish and jack crevalle cruise overhead.
Loggerhead, hawksbill, and green sea turtles, as well as nurse sharks, favor reef ledges as a quiet spot to rest away from wave surge and current. And if you time your visit to late summer, the reef takes on a different character entirely. Every year from August through October, goliath grouper travel up the Florida coast and gather on Palm Beach wrecks and reefs, scientists believe, for one purpose: reproduction. Goliath grouper are the largest predatory reef-dwelling fish in the Caribbean, weighing as much as 660 pounds and measuring up to 8 feet long. Sharing 75 feet of water with one of those animals is an experience you do not forget.
Palm Beach County benefits from a geographic advantage that most Florida dive destinations do not have. Deep water close to land allows the Gulf Stream to flow closer to shore here than anywhere else on the U.S. East Coast, ensuring excellent water clarity and healthy reef growth. That said, conditions are not always textbook. Visibility is usually in the 50-foot range, and water temperature runs around 80°F in summer and just below 70°F in winter. On the best days — and there are plenty of them — visibility of 60 feet or better is normal, and 90 to 100 feet is not uncommon.
Average water temperature runs from the mid-80s°F in summer to the mid-70s°F in winter, and the dive season is year-round. Current is a real factor here and is part of what makes Palm Beach diving what it is. Because sites sit in close proximity to the Gulf Stream, currents can vary widely from little to strong. Most dives here are drift dives, so you cover maximum ground with minimal effort. Murphy II at 75 feet is within easy reach on a standard aluminum 80, but current awareness matters — this is not a site for brand-new open-water divers on their first ocean dive.
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Atlantic Sergeant MajorAbudefduf saxatilisReported here · unconfirmed
Seaweed BlennyParablennius marmoreusReported here · unconfirmed
French GruntHaemulon flavolineatumReported here · unconfirmed
Red Cushion Sea StarOreaster reticulatusReported here · unconfirmed
TomtateHaemulon aurolineatumReported here · unconfirmed
Grey AngelfishPomacanthus arcuatusReported here · unconfirmed
Yellowline Arrow CrabStenorhynchus seticornisReported here · unconfirmedDurable 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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