Blue Hole (Big Pine Key)
The Blue Hole is an attraction on the island of Big Pine Key in the Florida Keys. It is an abandoned rock quarry that was used for nearby road fills and Henry Flagler's Overseas Railroad. The water it contains is mostly fresh and is used by various wildlife in the area, such as birds, snakes, alligators, key deer and green iguanas. It is part of the National Key Deer Refuge.
Blue Hill (CDP), Maine
The Blue Hill CDP consists of the main village within the town of Blue Hill. The CDP is located at the geographic center of the town, surrounding the head of Blue Hill Harbor, an arm of Blue Hill Bay. The CDP extends south along Route 175 as far as Bragdon Brook, just north of Blue Hill Falls; southwest along Routes 15 and 176 as far as Grindleville Road; west along Route 177 (Union Street) to Field House Lane; northwest along Route 15 past Mountain Road to the southern slopes of Blue Hill; northeast along Route 172 past Mountain Road; and east along Route 176 to Peters Cove and Little Peters Brook. The summit of Blue Hill is just outside the CDP to the north.