Alibag, also known as Alibaug, is a coastal town, just south of Mumbai, in western India. It�s known for its beaches like Alibag Beach and Varsoli Beach. Just offshore, 17th-century Kolaba Fort has carvings of tigers and elephants, and temples dedicated to Hindu gods. To the south, Portuguese-built Korlai Fort dates from 1521 and includes a lighthouse. The island fort of Janjira has high walls, turrets and cannons.