$425,000 Build your coastal retreat on 23010 Martes, a canal front homesite in the popular Terramar Beach community on Galveston Island. Enjoy outstanding sunset views toward Galveston Bay from your future home. The property features a concrete bulkhead and an existing sprinkler system. Terramar Beach offers a private boat launch, fishing pier, neighborhood pool, and beach access. 12995885 MLS ⋅ ACTIVE Status Build your coastal retreat on 23010 Martes, a canal front homesite in the popular Terramar Beach community on Galveston Island. Enjoy outstanding sunset views toward Galveston Bay from your future home. The property features a concrete bulkhead and an existing sprinkler system. Terramar Beach offers a private boat launch, fishing pier, neighborhood pool, and beach access. 23010 Martes St, Galveston