Pros & cons
PROS
- Shallow reef ideal for snorkelers and newer divers
- Photogenic 1966 shipwreck encrusted with marine life
CONS
- Boat access only; no on-site services
- Visibility and boat traffic can vary at peak times
Overview
Long Reef is an offshore coral reef known for easy depths and a steel schooner that grounded here in 1966. It’s a classic Biscayne experience: clear water, spur‑and‑groove coral formations, and fish everywhere—without needing to dive deep.
What You’ll See
Expect vibrant hard and soft corals, big sways of gorgonians (sea fans), and patches of fire coral. The shallow shipwreck rises close to the surface and is draped in life. Common sightings include schools of yellowtail snapper, parrotfish, blue tangs, colorful sponges, and the occasional nurse shark cruising by.
Why It’s Special
Few spots combine a shallow, beginner‑friendly reef with an accessible wreck that’s lively and easy to navigate. The spur‑and‑groove structure creates mini alleys and sand channels that concentrate fish and make for varied, photogenic terrain.
Access & Know‑Before‑You‑Go
This is a boat‑only destination with no facilities. Use the provided mooring buoys and do not anchor—both the reef and the wreck are fragile. Bring all your water, snacks, and gear; pack it out when you’re done.
Conditions
Depths hover roughly 10–20 feet, ideal for long, relaxed snorkeling or shallow dives. Water clarity changes with weather and swell, so check marine conditions before committing. The site draws tour boats and private vessels; expect more traffic during popular times.
Wildlife Highlights
- Schooling yellowtail snapper around the wreck and reef edges
- Parrotfish and blue tangs grazing over coral heads
- Gorgonians, fire coral, and sponges adding color and texture
- Occasional nurse sharks patrolling the sand channels
Best Time to Visit
Aim for non‑peak times to dodge boat traffic, and plan around favorable wind and seas for better visibility. Weekdays typically feel quieter than weekends. If conditions look stirred up, give it a day and try again—this site shines in clear water.
Etiquette & Safety
Stay off the coral and wreck, control your fins in the surge, and keep a respectful distance from wildlife. Use reef‑safe sunscreen and secure all loose gear so nothing drifts onto the reef.
Where it is
25.4240, -80.1267Tips for Long Reef
- 01Use mooring buoys and never anchor on the reef or wreck.
- 02Check wind and visibility forecasts before heading out.
- 03Bring reef-safe sunscreen, plenty of water, and all your own gear.
- 04Mind the surge in spur-and-groove channels and keep fins off coral.
- 05Consider a guided boat trip if you’re new to Biscayne’s reef sites.
Near Long Reef
All places →All trails →
1.3 mi awayMandalay ShipwreckShallow, snorkel‑friendly wreck with history and reef life
3.8 mi awayPacific Reef LightRemote historic reef light above a living coral reef
4.7 mi awayElliott KeyRemote boating-and-camping island with clear water and tropical hammockRestroom · Picnic Table
4.8 mi awayElliott Key Nature TrailShort, shady loop with interpretive signs—worth it if you’re on ElliottEasy · 1.1 mi · 18 min
4.8 mi awayElliott Key Picnic AreaBoat-in island picnic spot with grills, restrooms, and bay viewsRestroom · Picnic Table
4.8 mi awaySpite HighwayStraight, flat island traverse with history—and relentless mosquitoes.Easy · 7 mi · 4.5 hr
6.8 mi awayAdams Key Loop TrailQuick shaded loop for boat-in picnickers—mosquitoes are fierceEasy · 0.5 mi · 15 min
7.6 mi awayBoca Chita Key TrailShort island loop with a photogenic 1930s coral-rock lighthouseEasy · 0.5 mi · 24 min
