Karmatang beach is a place for turtle nesting and is being developed as a tourist complex. Situated at Mayabunder, northern part of Middle Andaman is 240 kms by road and 136 kms by boat from Port Blair.
East Pakistan and ex-convicts, mayabundar has a district culture. Beach at Avis Island (30 Minutes boat journey from mayabunder) mangrove lined creeks is the attractions. Avis Island is also a turtle nesting ground. One can view nesting of turtles during December- February season.