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Tinian

Tinian: luminous reef walls, WWII underwater heritage and a slower south-coast island escape

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Destination Guide Sources For Tinian

Reference links used to build and maintain this guide.

23 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 - Tinian Fleming, Dump Cove, Tinian Grotto and Tachogna descriptions, including WWII ordnance warning and sheltered beginner water.
CNMI DCRM: 2025 Shoreline Public Access Guide - Tinian beach facilities, military leased area access rules, southern public sites, harbor warning and disputed marine reserve status (pages 10 and 34-38).
CNMI DCRM: public shoreline access map - Government-maintained entry map; verify present-day closure and parking before travel.
CNMI DLNR: Marine Protected Areas - Lists Tinian Marine Reserve as no-take under Public Laws 15-90 and 17-14, in conflict with the 2025 DCRM guide.
Fishguyz Scuba: dive with us - Advertises a Saipan-origin two-dive Tinian boat option and posted pricing, not a booking confirmation.
STAR Marianas Air: flight schedules - Published daily Saipan-Tinian flight timetable; schedules may change.
STAR Marianas Air: scheduled flight fares - Posted standard one-way fare and strict baggage allowance, subject to change.
STAR Marianas Air: conditions of carriage - Check accepted luggage, check-in and operating restrictions with the airline.
NOAA: U.S. Coast Pilot 10, 2026 - Tinian-specific wet July-November and drier December-June patterns, seasonal trade winds, coastal navigation and maritime risks.
U.S. National Weather Service Guam: marine forecasts - Forecast and marine hazard source for the Tinian waters before crossing or entering the sea.
Marianas Visitors Authority: historic sites - House of Taga, Taga Well, WWII memorial context and historical sites subject to access controls.
U.S. National Park Service: Tinian North Fields - Historical context for the 1944 battle, airfields and 1945 atomic-bomb missions, not an access authorization.
Tinian Mayor: North Field restricted/UXO notice - 2025 notice concerning UXO rehabilitation and limited historic-site access; reconcile with DCRM access permission requirements.
Commonwealth Healthcare Corporation: Tinian Health Center - Only on-island medical facility, clinic phone numbers and 24/7 emergency room; no verified island chamber.
Divers Alert Network: flying after diving - Preflight surface interval recommendations for no-decompression and repetitive scuba.
Divers Alert Network: emergency assistance - Diver incident consultation and emergency assistance contacts.
Marianas Visitors Authority: visitor information - Guam-CNMI ETA and ESTA pathways; local visitor safety guidance.
U.S. CBP: Guam-CNMI electronic travel authorization - Official current application portal for eligible Guam-CNMI visa waiver travelers.
U.S. Federal Register: 2026 EVS-TAP suspension - October 27 2026 notice suspending PRC national CNMI EVS-TAP effective October 30 2026 at 14:00 EDT.
Islander Rent-a-Car: Tinian rental location - Local rental car provider with airport pickup enquiry; inventory unverified.
MVA: February 2026 Pika Festival boat announcement - One-off festival-specific charter, not proof of a year-round public ferry or future event schedule.
Destination hero photo by kajikawa (historical) - Long Beach, Tinian. Photo: kajikawa / Wikimedia Commons. CC BY 3.0: https://creativecommons.org/licenses/by/3.0. Cropped and resized.
Destination hero photo by James Park - Representative photo. Rocky island and coast photographed at Bird Island, Saipan, Northern Mariana Islands. Unsplash License (https://unsplash.com/license). Photographer: https://unsplash.com/@emerphire. Cropped and resized for the cover.