Banzai is a wall and reef site located near The Grotto in the Northern Mariana Islands. This site features a vertical wall that drops to depths of 30 metres. Due to high wave activity, access is restricted to boat entry during the summer months of May and August. Divers should be prepared for variable currents and boat traffic in the area. Given the depth and potential for currents, this site is suited for intermediate divers. Water temperatures remain consistent, ranging from 28C to 30C throughout the year.

Wing Crevasse is a wall and drift dive site located at The Grotto in the Northern Mariana Islands. The site features a vertical wall topography suitable for advanced divers, with depths ranging from 5 to 40 metres and an average depth of 20 metres. Access is by boat only. Conditions include mild currents and visibility typically between 10 and 30 metres. Water temperatures remain warm throughout the year, ranging from 28 to 30 degrees Celsius. Divers should be aware of hazards including boat traffic, currents, and significant depth.

The Grotto is a cave and reef dive site located in Northern Mariana Islands. Divers access the site via a shore entry, navigating an overhead environment that leads to a cavernous opening. The site features depths ranging from 10 to 30 metres, with an average depth of 27 metres. Conditions include mild currents and visibility between 15 and 30 metres. Due to the overhead environment, surge, and potential for rip currents, this site is suited for intermediate divers. Typical dives last approximately 45 minutes. Parking is available at the site. Divers should exercise caution regarding sharp coral and the deep nature of the cave system.

Emily is a wreck dive site located in the Wing Beach Area of Saipan. The site features the remains of an H8K Japanese World War II plane resting at depths reaching 15 metres. Access to this site is by boat only. Divers should be aware that conditions include variable currents and potential boat traffic in the area. Due to these environmental factors, the site is rated for intermediate divers. Water temperatures remain consistent throughout the year, ranging between 28C and 30C.

Sub Chaser is an 80-foot long Japanese vessel from the Second World War located in the Wing Beach Area. This wreck site sits at depths between 3 and 10 metres, with an average depth of 7 metres. Divers encounter common species including flatworms, wrasses, blue dragons, and snails. Uncommon sightings include desirable flabellina, tiger cowries, fiesta rainbow dorids, starback tentacled dorids, jorunna nudibranchs, sea stars, hermit crabs, and hard coral. Due to strong currents, this site is suited for intermediate divers. Access is by boat only. Hazards include potential entanglement, sharp coral, and strong currents. Visibility at the site ranges from 20 to 50 metres.

The Shoan Maru is a WWII wreck located 1700 metres offshore from the Wing Beach Area. This site is suitable for intermediate divers and requires boat access. The wreck lies at an average depth of 10 metres, with a maximum depth of 8 metres. Divers should be aware of strong currents and rip currents in the area. Visibility at the site ranges from 16 to 60 metres, and water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Night diving is permitted at this location.

Landing Craft is a wreck and artificial reef located in the Wing Beach Area of Saipan. This site is suitable for beginners and offers a shallow dive with an average depth of 6 metres. Divers access the wreck directly from the shore. Conditions at the site vary, with visibility ranging from 10 to 50 metres and moderate currents present. The water temperature remains consistent throughout the year, typically between 28 and 30 degrees Celsius. Guided tours are available for those wishing to explore the remains of the craft. Divers should be aware of potential hazards including sharp coral, strong currents, and fluctuating visibility.

Lau Lau Bay is a reef site in Saipan, Northern Mariana Islands, primarily used for training and recreational diving. Located 30 metres from the shore, the site features an average depth of 8 metres, with a range of 6 to 12 metres. Divers and snorkellers enter from the shore, where thick-soled booties are recommended for navigating the coral and beach entry. Conditions are generally mild with visibility ranging from 15 to 30 metres. The site is suitable for beginners and supports night diving, with typical dives lasting 45 minutes. Hazards include boat traffic, surf, low visibility, and sharp coral. Parking and guided tours are available at the location.