Walney Island - Sandy Gap maps beach info maps weather & tides photos Standard Map Satellite Map OS Style Map Select a map type from the following styles. All are at the same location and to the same scale How to get to Walney Island - Sandy Gap Accessed through Barrow-in-Furness. Follow signs for Walney Island. Once on the Island. turn left through Vickerstown. on to the coast road then turn right to Sandy Gap.