Northern Mariana Islands »
Place » Tourism
| The Grotto | |
| The Grotto is a popular natural attraction located on the western side of Saipan, the largest island in the Northern Mariana Islands, which is a U.S. commonwealth in the western Pacific. The Grotto is situated on the western coastline of Saipan, near the Marpi area. It is a limestone cavern that opens up to the Pacific Ocean. | |
