Alibag is a coastal town and municipal council in Raigad district of Maharashtra, India. It is the headquarters of the Raigad district. Alibag is Famous for its beaches, Alibag also offers water and adventure sports. The main beaches for water sports are Mandwa beach, Nagaon beach and Alibag beach. These beaches offer activities such as parasailing, sea kayaking, jet ski and banana boat ride.Kolaba Fort (sometimes Kulaba Fort or Alibag Fort) is an old military fortification in India. It is situated in the sea at a distance of 1–2 km from the shores of Alibag, 35 km south of Mumbai, in the Konkan region of Maharashtra, India. It is a popular tourist destination and a protected monument.