Indian River Lagoon aerial view of Treasure Coast ecosystem
Treasure Coast Ecosystems

Where the River
Meets the Sea

A field guide to the Indian River Lagoon, its mangrove shores, seagrass meadows, and the wildlife that depends on one of North America's most biodiverse estuaries.

Explore the Lagoon
156
Miles of Coastline
4,300+
Species of Plants & Animals
3
Mangrove Species
40%
of Florida's East Coast Manatees
Featured

From the Field

Explore

The Living Coast

Dive into the interconnected habitats, wildlife, and conservation challenges of Florida's Treasure Coast.

Wildlife Spotlight

Residents of the Lagoon

The Lagoon Needs Our Help


The Indian River Lagoon is one of the most imperiled ecosystems in the United States. Decades of development and nutrient pollution threaten the delicate balance of life that has thrived here for millennia.

Explore Conservation Efforts