the island's main attraction is its seven gigantic rock formations, namely magasang, magsapad, macadlaw, puhunan, bel-at, caranas and pinanahawan. these rock formations are a result of underwater tectonic plate movements and crashing waves over millions of years. another unique feature of the island are the natural saltwater pools at bel-at and caranas where visitors can enjoy swimming in clear water. to the south of biri channel along the coast of lavezares are san juan, bani and maravilla islands where several other white sand beaches can be found. on the coast of san jose and rosario are the islands of cabaongon, gilbert and the rest of the subgroup.