Sources · Destination Guide
Guam Usa
Wrecks from two world wars, a heart shaped blue hole, and tropical walls in the Western Pacific
Updated Oct 30, 2025 • 34 sources
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Research Sources
Destination Guide Sources For Guam
Reference links used to build and maintain this guide.
34 sources • Updated Oct 30, 2025
Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Oct 30, 2025.
- Guam Visitors Bureau - Entry Formalities and Guam EDF - EDF mandatory, G CNMI ETA details, REAL ID timeline
- Guam Customs and Quarantine - Guam Electronic Declaration Form - Official customs EDF portal
- CBP - G CNMI ETA - Visa Waiver ETA for eligible nationals
- NWS Guam - Climate - Dry and wet season overview
- NWS Guam - Tropical Cyclones and Surf Zones - Typhoon season information
- NWS Guam - Surf Zones - Rip current and surf hazard forecasts
- Guam Coral Reefs - Marine Preserves Overview - CRMP boundaries and rules
- DAWR Marine Preserves Pamphlet (PDF) - Preserve regulations summary
- War in the Pacific NHP - Fees - No entrance fee to the park
- War in the Pacific NHP - Asan Beach Unit - Visitor information for beach unit
- Guam National Wildlife Refuge - Hours - Ritidian open days and closures
- MDA Guam - Daily Boat - Local operator schedule and contact
- Guam Tropical Dive Station - PADI listing - Local operator details
- DiveJourney - Blue Hole - Internal spot page slug
- DiveJourney - Tokai Maru - Internal spot page slug
- DiveJourney - SMS Cormoran - Internal spot page slug
- DiveJourney - Piti Bomb Holes - Internal spot page slug
- DiveJourney - Tumon Bay - Internal spot page slug
- DiveJourney - Sharks Pit - Internal spot page slug
- DiveJourney - Boulder Alley - Internal spot page slug
- DiveJourney - Hap's Reef - Internal spot page slug
- GUM Airport - Airlines - Current carriers serving GUM
- GUM Airport - Flight Schedule snapshot - Active regional routes and frequencies
- GRMC - Wound Care & Hyperbaric - Hyperbaric services on island
- GRMC - Emergency Department - 24 hour ER contact
- GMHA - Emergency contact numbers - Hospital ER phone
- USCG Sector Guam - emergency contacts - Joint Rescue Sub Center phone numbers
- DAN - Emergency Hotline - Emergency hotline +1 919 684 9111
- Visit Guam - Buses - GRTA hours and fares
- Visit Guam - Electricity - 120V 60Hz confirmation
- Visit Guam - Language & Currency - English and Chamorro; USD usage
- Stroll Guam - App Store listing - Local ride hailing service
- NWS Guam - Surf Criteria - Rip current and high surf thresholds
- KUAM - Man o' war reports - Sting advisories context