Skip to content
WAnimals
  • Map
  • Species
  • Parks
  • Diving
Log inCreate account
WAnimals

The guide for travellers and animal lovers: discover, plan and share your wild adventures around the world.

Discover wildlife

  • Species
  • Ecosystems
  • Glossary
  • Tags

Explore places

  • Map
  • Countries
  • Parks
  • Diving

Plan experiences

  • Guides

Learn

  • Blog

Resources

  • Help centre
  • Contact
  • Install the app

Follow us

Account

  • Log in
  • Create account

© 2026 WAnimals. All rights reserved.

About usHow we build our profilesTerms of servicePrivacyLegal notice
MapSpeciesParksDiving
  1. Home
  2. Diving and snorkelling
  4. Northern Mariana Islands
  5. Saipan (Grotto)

Saipan (Grotto)

Cave/Marine cenote
Depth: 5–40 mLevel: Advanced Open WaterDecember-June
Spotted something wrong?

A marine cenote connected to the ocean by underwater tunnels, one of the most famous dive sites in the Marianas.

Depth

5–40 m

Recommended level

Advanced Open Water

Average visibility

30 m

A marine cenote connected to the ocean by underwater tunnels, one of the most famous dive sites in the Marianas.

Location

Loading map…

Saipan (Grotto): 43 documented species

Ecosystem

Cave / cenote

Similar dive sites

Which other dive sites are like this one?

Same country: Northern Mariana Islands

Same type of dive: Cave / cenote

Same type of dive: Cave / cenote

Keep exploring

Based on what we already know about this dive site.

Comments

Share your experience diving or snorkelling at Saipan (Grotto).

Be the first to comment.

Water temperature

28 °C

Current

Moderate

Access

Shore

Best season

December-June

Recommended certification

Cavern Diver

Approx. price

50 USD / dive

Plan your dive

Best season
December-June
Approx. price
50 USD / dive
See location

Same type of dive: Cave / cenote

Northern Mariana Islands · Micronesia
See on the interactive map→
Giant ClamCritically Endangered

Giant Clam

Tridacna gigas

Giant AnemoneNot Evaluated

Giant Anemone

Stichodactyla gigantea

Disc AnemoneNot Evaluated

Disc Anemone

Discosoma nummiforme

Ritteri AnemoneNot Evaluated

Ritteri Anemone

Heteractis magnifica

Spotted Garden EelLeast Concern

Spotted Garden Eel

Heteroconger hassi

Harlequin Snake EelLeast Concern

Harlequin Snake Eel

Myrichthys colubrinus

Warty SlugNot Evaluated

Warty Slug

Onchidium verruculatum

Great BarracudaLeast Concern

Great Barracuda

Sphyraena barracuda

SkipjackLeast Concern

Skipjack

Katsuwonus pelamis

Scarlet Cleaner ShrimpNot Evaluated

Scarlet Cleaner Shrimp

Lysmata amboinensis

Peacock Mantis ShrimpNot Evaluated

Peacock Mantis Shrimp

Odontodactylus scyllarus

Coconut CrabVulnerable

Coconut Crab

Birgus latro

See all 43 species found here
Reef/Wreck

Rota Island

Northern Mariana Islands

Up to 30 m · Open Water

Turtles · reef fish

See dive site
Wall/Cave

Lastovo Island

Croatia

Up to 35 m · Open Water

Groupers · lobsters

See dive site
Reef/Cave

St John's Reef

Egypt

Up to 40 m · Advanced Open Water

Hammerheads · grey reef shark

See dive site
CountryNorthern Mariana Islands
This page in other languages: Español · Deutsch · Français · Português · Italiano
More places in the Northern Mariana Islands
Volcanic/Cave

Milos

Greece

Up to 35 m · Open Water

Seahorses · lobsters

See dive site
Ocean