Coffins Patch Reef

Located about six miles southeast of Key Colony Beach near Marathon, Florida, Coffins Patch Reef is a spectacular and diverse coral reef system within the Florida Keys National Marine Sanctuary. Known for its vibrant marine life, clear waters, and easy accessibility, Coffins Patch Reef is a favorite destination for snorkelers, scuba divers, and marine enthusiasts. The reef system comprises shallow patch reefs and deeper coral formations, providing habitats for a variety of marine species and an unforgettable underwater experience.

Things to Do at Coffins Patch Reef

Snorkeling in Shallow Waters
Coffins Patch Reef offers some of the best snorkeling conditions in the Florida Keys:
- With depths ranging from 5 to 20 feet, the reef is ideal for snorkelers of all experience levels.
- Explore vibrant coral formations, including brain coral, elkhorn coral, and sea fans.
- Swim alongside colorful tropical fish such as parrotfish, angelfish, butterflyfish, and wrasses.
- The calm and clear waters make it an excellent location for families and first-time snorkelers.
Scuba Diving Adventures
The reef’s deeper areas provide thrilling experiences for scuba divers:
- Discover unique coral heads, overhangs, and crevices that house moray eels, lobsters, and other marine life.
- Encounter larger species such as nurse sharks, barracudas, and rays in the deeper sections of the reef.
- Coffins Patch is known for its diverse marine biodiversity, offering divers the chance to observe ecosystems up close.
Explore the Coral Canopy
One of the reef’s highlights is the elkhorn coral formations:
- These large, intricate coral structures provide shelter for marine life and create stunning underwater landscapes.
- Observe small reef fish darting between the coral branches and discover hidden critters like shrimp and crabs.
Wildlife Watching
Coffins Patch Reef is teeming with marine species:
- Spot sea turtles, often seen grazing on seagrass or swimming gracefully through the water.
- Look for octopuses, stingrays, and even spotted eagle rays gliding along the sandy patches.
- The reef is a prime location for observing the intricate relationships within the marine ecosystem.
Underwater Photography and Videography
The reef’s clarity and abundant marine life make it a dream for underwater photographers:
- Capture images of colorful corals, schools of fish, and larger species in their natural habitat.
- The shallow areas provide ample natural light, making it easy to take high-quality photos and videos.

Additional Activities

Eco-Tours and Guided Snorkeling
Many local operators offer eco-tours that focus on the reef’s history, ecology, and conservation efforts:
- Learn about the importance of coral reefs and the threats they face from experts during guided trips.
Boating and Sailing
The reef’s location in the Keys backcountry makes it accessible by private or chartered boats:
- Use mooring buoys provided by the Florida Keys National Marine Sanctuary to protect the reef from anchor damage.

Amenities & Facilities

Mooring Buoys: Available to protect the reef while allowing boats to anchor securely.
Gear Rentals: Snorkeling and diving equipment can be rented from nearby operators in Marathon and Key Colony Beach.
Guided Tours: Multiple charter companies in the area offer snorkeling and diving excursions to Coffins Patch Reef.
Restrooms and Parking: Available at nearby departure points like marinas and tour operator facilities.

Accessibility

Coffins Patch Reef is accessible only by boat, but local operators make it easy for visitors to explore:

Chartered Tours: Snorkeling and diving tours depart regularly from Marathon and Key Colony Beach.
Private Boats: Those with private vessels can navigate to the reef using GPS coordinates and must use mooring buoys.
Eco-Friendly Access: Tour operators prioritize reef-safe practices, ensuring a sustainable experience.

Tips for Visiting Coffins Patch Reef

Use Reef-Safe Sunscreen: Protect the reef’s delicate ecosystem by using eco-friendly sunscreen.
Follow Conservation Guidelines: Do not touch or stand on corals, and avoid disturbing marine life.
Book in Advance: Guided tours and charters can fill up quickly, especially during peak travel seasons.
Pack Essentials: Bring snorkeling gear, towels, water, and a waterproof camera for capturing underwater moments.
Check the Weather: Calm seas provide the best visibility and safest conditions for exploring the reef.

Vicinity of Coffins Patch Reef

Nearby Attractions

Sombrero Reef: Another popular snorkeling and diving destination with vibrant marine life and coral formations.
Seven Mile Bridge: Take in the iconic views of the Florida Keys from this famous bridge connecting Marathon to the Lower Keys.
Turtle Hospital: Learn about sea turtle rehabilitation and conservation efforts at this nearby facility in Marathon.
Crane Point Hammock Museum and Nature Center: Explore nature trails, exhibits, and mangrove ecosystems close to the reef.

Why Visit Coffins Patch Reef?

Coffins Patch Reef is a hidden gem in the Florida Keys, offering an unforgettable underwater experience for snorkelers, divers, and marine enthusiasts. Its shallow waters, diverse coral formations, and abundant marine life make it one of the most accessible and rewarding reefs in the region. Whether you’re exploring the intricate coral canopy, observing sea turtles and tropical fish, or capturing stunning underwater photos, Coffins Patch Reef provides a serene and vibrant escape into the wonders of Florida’s marine ecosystems.

For more information visit: https://floridakeys.noaa.gov/zones/spas/coffins.html