Charlotte Harbor Preserve State Park, State park in Punta Gorda, Florida, United States

Charlotte Harbor Preserve State Park covers 46,000 acres of islands and mainland around Charlotte Harbor, protecting the Gasparilla Sound/Charlotte Harbor, Cape Haze, Matlacha Pass and Pine Island Sound aquatic preserves. Its parcels hold mangrove forests, salt marshes and pine flatwoods, and the park is site 22 on the southern section of the Great Florida Birding Trail.

Charlotte Harbor Preserve State Park was established to protect the Gasparilla Sound/Charlotte Harbor, Cape Haze, Matlacha Pass, and Pine Island Sound aquatic preserves. It is part of the Southwest Florida Water Management District and covers 46,000 acres (190 km2) of islands and land surrounding Charlotte Harbor. The park is site 22 on the southern section of the Great Florida Birding Trail.

The park lies on the Great Florida Birding Trail as site 22 of its southern section, so birdwatchers can look for wading birds and shorebirds around the mangrove shorelines and salt marshes. Boating, paddling, fishing and hiking are the activities the state park is set up for. Access points exist near Punta Gorda, Cape Coral, Cape Haze, El Jobean, Rotonda and Little Pine Island.

The park has no entrance charge and is open from 8 a.m. until sundown every day of the year. The main offices are about 3 miles south of US 41/Tamiami Trail in Punta Gorda. Access points include Punta Gorda, Cape Coral, Cape Haze, El Jobean, Rotonda and Little Pine Island.

The park is not one continuous block: it is a patchwork of separate parcels of islands and mainland around Charlotte Harbor, which lets it protect habitats across the whole estuary system. Its main offices sit about 3 miles south of US 41/Tamiami Trail in Punta Gorda.