Castaway Bay Indoor Waterpark Share: Banquet Facility HotelsMarine Services Castaway Bay Indoor Waterpark Visit Website 2001 Cleveland Rd. Sandusky, OH 44870 (419) 627-2500 (419) 627-0745 (fax) www.castawaybay.com Map What's Nearby? Distance: 5 10 15 20 25 50 mi.