At a glance
Best Time to Dive
Year-round
Water Temperature
27-29°C / 81-84°F
Visibility
15-30m / 50-100ft
Access Type
Shore
Dive Type
Scuba · Snorkel · Freedive
Difficulty
Intermediate
Max Depth
20 m
Average depth
15 m
Nearest airport
SPN
Beneath the surface
The Grotto in Saipan is a spectacular cavern dive. The dive begins by descending into a large sinkhole on land, which opens up to the ocean via three massive underwater archways. The view from inside the cavern looking out into the deep blue is breathtaking.
Cavern diveStunning light effectsBlue water
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