The Blue Grotto is Saipan’s most popular dive spot. The Grotto is a underwater karst cave that reaches 70 ft. at its deepest point. See the video that really captures the beauty and awe of the Grotto.

• Snorkeling in the Blue Grotto is a unique Saipan experience that you just can’t miss
• The best tour guides
• Discover where sea turtles gather to rest

Book your tour of the Blue Grotto

Address: Grotto Dr, Saipan 96950, Northern Mariana Islands