Rattlesnake Island: A Hidden Treasure Near Fort Matanzas

Rattlesnake Island is located just south of Fort Matanzas, right off the Matanzas River. The island, which is part of the Fort Matanzas National Monument, offers boaters, kayakers, and paddleboarders a great spot to explore and spot wildlife. It’s a fantastic destination for anyone seeking a day of exploring, fishing, or simply relaxing on the water.

A coiled rattlesnake resting in its natural habitat, with intricate diamond-shaped patterns on its brown scales. The snake's head is partially visible, blending in with the surrounding rocky and leafy environment.

Eastern Diamondback Rattlesnakes

True to its name, Rattlesnake Island is home to eastern diamondback rattlesnakes, one of the largest venomous snakes in North America. While sightings are rare, it’s important to stay cautious, especially when hiking or exploring overgrown areas. If you encounter one, it’s best to give it plenty of space and avoid disturbing it. Wearing closed-toed shoes and sticking to well-worn paths can help minimize the risk of an encounter.

Sandbars

Rattlesnake Island is surrounded by several sandbars, making it an excellent spot to beach your boat and enjoy a relaxing day in the sun. These sandbars are perfect for swimming, picnicking, or lounging by the water. Make sure to check the tides before anchoring, as the sandbars may shift or submerge during high tide.

Plenty to Explore

Take a walk around the island to enjoy somewhat private views of the water. The island offers a peaceful retreat with plenty of space for exploration.

  • Jellyfish: Be aware that there can be jellyfish in the surrounding waters, so take care when swimming.
  • Wildlife: The island is home to various bird species, and you may also spot manatees or dolphins during your visit.

Paddleboarding and Kayaking

A woman sitting on a paddleboard in calm water, holding a paddle across her lap. She is wearing a sunhat and a swimsuit, enjoying the peaceful scenery. The background shows a grassy shoreline with trees and distant houses under a clear sky.

Rattlesnake Island is a prime location for paddleboarding and kayaking. The calm waters make it easy to navigate around here, though it’s important to watch out for passing boats and jet skis. You can paddle or kayak right in front of Fort Matanzas for a close-up view of this historic site, or explore the perimeter of the island to look at all the marshes and wildlife.

Bring your pole!

When visiting you will find that Rattlesnake Island is a fishing hotspot. You can expect to catch a variety of inshore species, including redfish, flounder, spotted seatrout, and snook. The shallow flats and marshes make this an ideal spot for fish.

No Running Water or Restrooms

Be sure to come prepared, as there are no running water or restroom facilities on Rattlesnake Island, except for a porta potty. Bring plenty of water, snacks, and any other supplies you may need for the day. Remember to pack a hat or an umbrella, no relief from the Florida sun here.

Driving

If you’re driving to Rattlesnake Island, be aware that the road leading to it is pretty beat up, 4WD is not needed.

Rattlesnake Island is starting to get busier, but it still remains a relatively less crowded spot compared to other areas. It’s the perfect place to escape for a peaceful day on the water. Bring a chair and a cooler, and you can easily spend hours relaxing, exploring, and soaking in the natural beauty. Check out our guide on Matanzas River for more information.