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Saipan

Lagoon wrecks, reef walls, a dramatic Grotto and an island worth exploring above water.

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Research Sources

Destination Guide Sources For Saipan

Reference links used to build and maintain this guide.

34 sources • Updated Oct 29, 2026

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Oct 29, 2026.

Marianas Visitors Authority: dive spots - Official Saipan-specific site profiles and explicit Grotto, Banzai and Wing hazards/seasonal constraints. Site suitability language is promotional, not a diver-screening decision.
Marianas Visitors Authority: activities - Snorkeling, lagoon activities, kayaking, hikes, north-island sightseeing, and mixed-group options; not booking confirmation.
Marianas Visitors Authority: historic sites - Saipan WWII memorials at Banzai Cliff, Suicide Cliff and Last Command Post.
Marianas Visitors Authority: visitor information - Grotto nonresident fee, swimmer cautions and separate G-CNMI eTA and ESTA pathways.
Marianas Visitors Authority: tourism recovery updates - LAST DATED JUNE 26, 2026. Useful evidence of storm disruption but superseded for September and October Managaha status; not a live open/closed register.
Marianas Visitors Authority: Marpi improvements, September 2026 - Dated primary announcement that Bird Island Lookout, Suicide Cliff and Last Command Post underwent construction from September 2026, targeted completion summer 2027.
CNMI Division of Fish and Wildlife: MPA brochure - Official government brochure printed 2015: Managaha, Bird Island including Grotto, Forbidden Island, no-take/limited-take rules. Historical regulatory reference; confirm posted rules and changes.
CNMI BECQ: recreational beach water quality advisories - Live government sampling notices and site-specific short-lived no-swim advice; October 2026 entries include Grotto and other Saipan beaches. Recheck immediately before water entry.
US National Park Service: American Memorial Park basics - Saipan wet/dry season and visitor guidance; NPS park is free.
US National Park Service: American Memorial Park opening hours - Current public park and visitor-center schedules, overriding conflicting older NPS activity-page text.
US National Park Service: plan a visit - Practical Garapan, Micro Beach and Smiling Cove itinerary and memorial-park content.
US National Park Service: things to do - Micro Beach, WWII history, walking trail and interpretation; some embedded visitor-center hours conflict with newer hours page.
PADI: Prodivers Saipan directory - Lists PADI Freediving as an activity category; NO specific dated freediving course/session or certified buddy-boat availability is confirmed.
Mariana Sport Club: English operator page - Direct operator evidence of introductory scuba, beach diving, training and conditional Grotto snorkeling; undated tariff not accepted as current confirmed rate.
Fishguyz Scuba: dive with us - Direct operator evidence of local beach dives, Saipan outer-reef boats and night dives; undated tariff not accepted as current confirmed rate.
Northern Mariana Diving Operators Association - Operator directory; membership listing is not a real-time availability or safety certification.
Commonwealth Ports Authority: Saipan airport - SPN as main island gateway, rental-car presence and regional connections; static routes not guaranteed to operate on specific travel date.
Commonwealth Ports Authority: airport flight board - October 2026 board showed United/Guam and PAL Express/Manila; date-limited and not a future timetable.
Department of Public Lands: September 1, 2026 reopening release (reproduced) - Government-authored release reproduced by local press announcing September 7 conditional Managaha reopening and detailed restricted-area/swim-zone rules.
NMI News Service: report of DPL October 1 Managaha closure - SECONDARY report of later government closure until further notice for storm safety; no later official DPL clearance was independently established.
Saipan Sea Cruises: Haggan Tasi ferry - Current operator-advertised Managaha service, departures and excluded landing fee; website alone does not prove authority has lifted a closure.
Saipan Submarine: Managaha transfers - Additional operator-promoted Managaha boat service; schedules are date-dependent.
Commonwealth Healthcare Corporation: emergency department - Saipan hospital emergency service is listed always open with phone numbers.
Commonwealth Healthcare Corporation: procurements - Hyperbaric modular system procurement award appeared in 2025; it does not establish a commissioned or emergency-ready recompression chamber.
Divers Alert Network: emergency assistance - 24-hour dive emergency hotline and advice to activate local EMS first.
Divers Alert Network: flying after diving - Consensus minimum surface intervals after single, repetitive and decompression dives; longer buffers are safer.
US Customs and Border Protection: Guam-CNMI eTA portal - Official electronic authorization portal for qualifying Guam-CNMI visa-waiver travel, not universally applicable to every traveler.
US Customs and Border Protection: ESTA portal - Official Electronic System for Travel Authorization portal for qualifying US Visa Waiver Program travelers.
Government of Canada: Northern Marianas travel advice - Current safety guidance on rainy/typhoon period and availability of local ATMs.
Panasonic travel-electricity table - Manufacturer travel-spec reference lists Saipan supply as 120 V, 60 Hz and type A/B sockets.
NOAA research repository: CNMI green turtle nesting - Historical 2006-2016 fieldwork identifies March-July nesting peak on Saipan; ecology signal, NOT a promised in-water sighting.
NOAA Coral Reef Watch - Regional bleaching heat-stress monitoring; check contemporaneous regional alert, not a site-specific water-visibility guarantee.
Destination hero photo by Cla68 (historical) - Landing Beach and the southwest coast of Saipan. Photo: Cla68 / Wikimedia Commons. CC0: http://creativecommons.org/publicdomain/zero/1.0/deed.en. Cropped and resized.
Destination hero photo by CHUNGHOI KIM - Sea turtle over a reef photographed in Saipan, Northern Mariana Islands (exact dive site unreported). Unsplash License (https://unsplash.com/license). Photographer: https://unsplash.com/@chunghwi. Cropped and resized for the cover.