if you go on your own, you can pick up the local local, they will pick you up at your hotel, and then take a speedboat or banana boat to gunkanjima island, which can be reached in 10 minutes.

gunkanjima island is adjacent to saipan and is the "pearl" of saipan. surrounded by a sea of crystal clearer waters, the island is the perfect place to experience thrilling water sports and snorkeling fun. the island is small and only takes a 15-minute walk on the white sandy beach. the heart-shaped island is a delight for visitors and is one of the must-see attractions when visiting saipan.

if you go to managaha island, you can basically spend a day and a half around the island, and then go to experience a variety of exciting water sports, because the island is closed at four o'clock in the afternoon, and basically around three o'clock you have to prepare to go back to saipan.