Kachemak Bay State Park and Kachemak Bay State Wilderness Park is a 400,000-acre park in and around Kachemak Bay, Alaska, United States. Kachemak Bay State Park was the first legislatively designated state park in the Alaska State Parks system. Kachemak Bay State Wilderness Park is the state's only legislatively designated wilderness park. No road accesses most areas of the park; visitors normally fly in or travel by boat from Homer.