Egmont Key State Park is a Florida State Park located on Egmont Key, at the mouth of Tampa Bay, in the state of Florida, United States. It lies southwest of Fort DeSoto Park. It can only reached by boat or ferry. The Egmont Key Lighthouse and the ruins of Fort Dade, a Spanish-American War era fort, are located in the park. Egmont Key is in Hillsborough County in a narrow strip of the county that extends along the Tampa Port Shipping Channel.
The park is also the Egmont Key National Wildlife Refuge, and was established as such in 1974. It is one of the three 'Tampa Bay Refuges', and administered as a part of the Chassahowitzka National Wildlife Refuge Complex.