Biscayne National Park

Shipwreck Dive Sites

strenuous Certified DiversHistory BuffsUnderwater Photography
1 mi Distance
0 ft Elevation Gain
2-4 hours Estimated Time
roundtrip Trail Type

What to Expect

This isn't a trail — it's a underwater graveyard spanning four centuries of maritime misfortune. You'll drop off a dive boat into the warm, impossibly clear waters of Biscayne's Maritime Heritage Trail, where six documented wrecks sit scattered across the park's shallow reef line. Depending on which site your operator runs, you might explore the Mandalay, a luxury schooner that ran aground in 1966, or the Lugano, a British freighter whose hull plates now serve as condominiums for parrotfish and lobster. Visibility regularly hits 40-plus feet, and the wrecks sit in relatively shallow water — most between 10 and 25 feet deep — making them accessible to newly certified divers without deep-dive credentials. Coral has colonized every surface, blurring the line between shipwreck and reef. This one is for certified divers who want history with their bottom time.
Certified DiversHistory BuffsUnderwater PhotographyMarine LifeAdventure Seekers

Safety Advisory

Strong currents rip through the reef line unpredictably, especially during tidal changes. Even experienced divers should carry a surface marker buoy and stay close to the mooring line during ascent.

Fire coral covers much of the wreck structure and looks deceptively like regular coral. A brush against it produces an immediate, intense sting that can blister — maintain neutral buoyancy and keep your hands off everything.

Boat traffic above the dive sites is heavy, particularly on weekends. Always surface near the dive flag and never swim on the surface away from your boat without a visible marker.

Trail Details

Distance 1 miles round-trip
Difficulty strenuous
Estimated Time 2-4 hours
Trail Type roundtrip
Pets Not allowed
Season Year-round
Trailhead Shipwreck Dive Sites

Pro Tips

Trail Tip

Book with a concessionaire that runs the Maritime Heritage Trail specifically — not just a generic reef dive. Biscayne National Park Institute runs guided snorkel and dive trips that include interpretation of the wreck history, which transforms a good dive into a genuinely memorable one.

Trail Tip

Bring a slate or underwater notecard with the park's wreck trail guide printed on it. Each site has mooring buoys with corresponding numbers that match the self-guided underwater trail markers, and knowing what you're looking at changes the experience entirely.

Trail Tip

Schedule your dive for a weekday morning in late spring. Weekend boat traffic stirs up sediment and drops visibility, and summer afternoon thunderstorms roll in like clockwork by 2 PM, cutting trips short.

More Trails in Biscayne

Explore Biscayne National Park

2 campgrounds, 6 trails, 512K annual visitors

View Park Guide