Sandpiper Trail Hike and Evening Frog Hike Friday, Oct 12, 2012 This event has already occurred.   (Archived) At 2 PM join the naturalist as you hike through salt marsh and maritime forest while discussing the local area's history and wildlife. At 7:30 PM come see and hear frogs singing and croaking at night. $5 parking. 912-598-2300. Location: Skidaway Island State Park 52 Diamond Cswy Savannah, GA 31411 Directions: GPS Coordinates: N 31.942400 | W -081.052333 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