Stretching across the shallow, turquoise waters of southern Florida, Biscayne National Park protects a vibrant marine world that feels a world away from the nearby city skyline. Ninety-five percent of the park is underwater, creating a sanctuary of coral reefs, seagrass meadows, and mangrove forests that support a remarkable variety of life. From the gentle sway of sea fans to the shimmering schools of tropical fish that dart between the corals, every part of Biscayne feels alive with color and motion. The clear waters reveal a landscape shaped by tides, currents, and the quiet persistence of marine life.
Biscayne was designated a national park in 1980 to safeguard its fragile ecosystems and cultural history. For centuries, these waters sustained Indigenous communities, explorers, and early settlers who traveled between islands and along the sheltered bay. Shipwrecks resting on the sea floor offer glimpses into that past, creating an underwater museum that tells stories of trade, storms, and maritime life. The park also protects the northernmost Florida Keys, where sandy beaches, hardwood hammocks, and mangroves create essential habitat for birds, sea turtles, and countless marine species.
Visitors to Biscayne National Park experience a world shaped by water rather than land. Snorkeling and diving reveal colorful coral reefs filled with angelfish, rays, and the occasional nurse shark. Kayaking through mangrove forests brings quiet moments surrounded by twisting roots and calm waters. Boat tours offer access to islands like Boca Chita Key, where a historic lighthouse overlooks the bay and the open ocean beyond. With its peaceful beaches and crystal-clear waters, Biscayne invites exploration and reflection on the beauty of coastal ecosystems.
Conservation at Biscayne National Park focuses on protecting its coral reefs, restoring seagrass beds, and combating threats such as pollution, rising sea temperatures, and invasive species. The National Park Service works with scientists and environmental partners to monitor reef health, support marine research, and educate visitors about sustainable recreation. Respecting wildlife, avoiding contact with fragile corals, and practicing responsible boating are essential to preserving this delicate marine world. Biscayne National Park serves as a reminder of how interconnected land and sea truly are and why the protection of marine environments is vital for future generations.
Our Experience
Biscayne national park is mainly underwater, so we took a bout tour to experience it to the fullest! We were on a small boat that took us out to snorkel and we had a blast! First, the boat captain asked us all how many national parks we had been to so we got to brag about our journey. Then, I (Casey) jumped into the water and bragged about how I spotted a fish. Another passenger asked me how big it was and I showed him (about 4" long) and he laughed in my face. It was pretty funny. I also, unfortunately got sea sick on the way back. However, we still had so much fun and saw a lot of wildlife, including invasive iguanas!