Sea Colony is a small subdivision in Duck consisting of 16 building lots on the ocean side of Rte 12. The lots run from Rte 12, where Rte 12 runs along the sound front, down to about half way to the ocean. The subdivision does not run all the way to the ocean. The ocean front portion is occupied be the Colony by the Sea condominiums.
Sea Colony has an active home owners association which collects a fee to help maintain the private road and contribute to the Colony by the Sea condo association. The owners and guests in Sea Colony have use of the condo amenities which include a pool, tennis, playground and ocean access. Sea Colony is found just past the subdivision of Duck Ridge Shores and before the subdivision of CC Byrum.