Big Ferry Fitness Hike Wednesday, Oct 10, 2012 This event has already occurred.   (Archived) Join a naturalist on a hike among towering live oaks as you walk along the salt marsh and the observation tower. Plan for a quick 2-3 mile walk with few stops. $5 parking. 912-598-2300. Location: Skidaway Island State Park 52 Diamond Cswy Savannah, GA 31411 Directions: GPS Coordinates: N 31.954408 | W -81.052680 Located 15 miles southeast of Savannah on Diamond Causeway. From North of Savannah via I-95 South From North of Savannah via US-17 South From South of Savannah via I-95 North From West of Savannah via I-16 East Skidaway Island State Park 52 Diamond Cswy Savannah, GA 31411