Miami is an easy-launch base for South Florida diving: a major hub city sitting beside Biscayne Bay, minutes from marinas, and within day-trip range of the Florida Reef Tract. Offshore, Biscayne National Park protects reefs and the boat-only Maritime Heritage Trail of historic shipwrecks. Closer to the city, artificial reefs like Neptune Memorial Reef add a one-of-a-kind dive. Drive south for Key Largo classics like Molasses Reef and the Christ of the Abyss statue, or head north for Broward and Palm Beach drift dives, wreck corridors, and macro treasure hunts.
Expect warm water much of the year, with Virginia Key monthly averages ranging roughly from 22°C in winter to 31°C in late summer. Winter cold fronts can bring wind and choppy seas, while June through November is Atlantic hurricane season. Plan with marine forecasts, use a diver-down flag for shore entries, and lean on local captains for current and drift strategy.