Eelgrass habitat (green boundary) off Nonamesset Island, Gosnold, MA, in Vineyard Sound. This is a mixed algae and eelgrass habitat site where algae covered boulders along shore grades into a subtidal zone where eelgrass can be found in patches of sand. Subtidal imagery from a draft 2007 CMECS dataset for a Woods Hole area survey (thanks to Adrienne Pappal).