(Florida)
Cayo Costa State Park is a state park in the U.S. state of Florida, on Cayo Costa, an island directly south of Boca Grande and just north of North Captiva Island, approximately 12 miles (19 km) west of Cape Coral. The park is accessible only by charter boat, private boat, ferry or helicopter. (Ref: https://en.wikipedia.org/wiki/Cayo_Costa_State_Park)