A sea-fort after which the district was named Sindhudurg is the most prominent landmark of this Konkan region. Chhatrapati Shivaji maharaj built this seafort between 1664-67 AD. The Sindhudurg fort is constructed on Kurte island with foundation laid on molten lead. One of the best preserved sea forts Sindhudurg fort has a four kms long rampart with 42 bastions. The fort is approachable from the Malvan jetty by boat.S.C.U.B.A. diving and snorkelling site is the primary attraction in Malvan apart from the beaches.