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Trat and the Koh Chang Archipelago

Wrecks, coral gardens, and slow-island beach days in Thailand's eastern Gulf

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Research Sources

Destination Guide Sources For Trat and the Koh Chang Archipelago

Reference links used to build and maintain this guide.

16 sources • Updated Jan 23, 2026

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Jan 23, 2026.

Department of National Parks, Wildlife and Plant Conservation: Mu Ko Chang National Park - Official park overview, contact details, seasons, transport notes, and published entrance fee images.
Bangkok Airways - Airline operating flights between Bangkok and Trat (TDX).
Thailand Electronic Visa (official) - Official Thai government e-Visa portal.
Royal Thai Embassy, Washington DC: Visa information - Official embassy guidance on visa exemption and visa processes (example for US travelers).
DiveJourney: HTMS Chang Wreck - Dive spot profile used for depth and site characterization.
DiveJourney: Hin Gra Dueng Pinnacle - Dive spot profile used for site description and depth cue.
DiveJourney: Secret Reef - Dive spot profile used for shallow reef description.
DiveJourney: Ko Rang North - Dive spot profile used for national-park reef style and depth cue.
DiveJourney: Ko Rang Cave - Dive spot profile used for reef structure description.
DiveJourney: Soneva Reef - Koh Kood area reef profile used for snorkeling-friendly depth cue.
DiveJourney: Hin Ao Yai - Koh Kood area reef profile used for shallow-session planning.
DiveJourney: Banana Bay - Dive spot profile tagged for both scuba and freediving.
Koh Kood Paradise Divers: Dive sites - Local operator reference for typical Koh Kood site depth ranges and reef character.
BB Divers: Freediving professional courses (Koh Chang) - Local operator reference for freediving availability on Koh Chang.
PADI Travel: PADI Freediver (Koh Chang) - Reference confirming PADI Freediver availability in Koh Chang.
Destination hero photo by Ragnar Vorel - Photographer profile: https://unsplash.com/@sonuba