The park contains wetlands and woodlands and has a campus for water research and environmental education, which includes a visitor center.

It has many bald cypresses draped in Spanish moss and forests of loblolly trees.

Birds commonly found at Phinizy Swamp include: red-shouldered hawks, great blue herons, sora, wood ducks and bald eagles.

The swamp derives its name from Victor Francois Phinizy and his family, who owned a homestead on the land, first settling in 1778.

[4] Arthropod diversity is also high, with many odonate species occupying the wetland cells.