Trang Islands (Ko Mook, Ko Kradan, Ko Ngai),Thailand
The Trang Islands (Ko Mook, Ko Kradan, Ko Ngai) are celebrated primarily for their outstanding natural marine ecosystems: clear turquoise waters, extensive coral reefs, limestone karsts and white-sand beaches. They form part of southern Thailand's Andaman Sea island chain and are important for coastal biodiversity (coral, reef fish, sea turtles). Culturally, the islands host small fishing and Muslim communities that maintain traditional livelihoods and authentic island life, with long-tail boats and simple village temples/mosques adding to the local character.
Places to visit
- Ko Mook — Emerald Cave (Tham Morakot), Ao Mook (main village), secluded beaches
- Ko Kradan — long, crescent-shaped white-sand beach with a dramatic underwater coral ridge ideal for snorkeling and sunset views
- Ko Ngai — shallow reefs, relaxed beach bungalows, good snorkeling and diving access, scenic viewpoints
Unique Aspects
- Fringing coral reefs and snorkeling right off the beach
- Emerald Cave: a 80–100 m sea tunnel opening into a hidden lagoon
- Powdery white sands and clear, shallow turquoise water
- Limestone outcrops and small rocky headlands framing beaches
- Small, low-impact tourist infrastructure preserving a laid-back atmosphere
Things to do
- Snorkeling directly from beaches and guided boat snorkeling trips to nearby reefs
- Scuba diving trips (local dive shops offer day trips and PADI courses)
- Sea-cave swim/explore: visiting Emerald Cave on Ko Mook (requires a short swim through a tunnel at low tide for the full effect)
- Kayaking and paddleboarding in calm waters
- Beach-hopping / island-hopping tours between Trang islands
- Relaxing at beachfront bungalows, watching spectacular sunsets
- Short hikes to viewpoints on Ko Ngai and informal village walks
Best Time to Visit
November to April (dry season) — calm seas, excellent visibility for snorkeling/diving and comfortable beach weather. May to October brings the southwest monsoon: rougher seas, more rain, and many boat services reduce frequency.
Weather Conditions
Tropical maritime climate: warm year-round (24–32°C). Dry, sunny spells in the high season; heavier, intermittent rain and choppy seas in the monsoon months.
Accessibility
Nearest airports: Trang Airport (TST) is the closest; Krabi (KBV) and Phuket (HKT) are alternatives with longer transfers. From mainland: Most visitors take a minivan or taxi from the airport to a pier (Pak Meng, Kantang, or Kuan Tung Ku) and then a speedboat or ferry. Typical transfers: 30–60 minutes by speedboat from Trang piers to Ko Mook/Ko Kradan; Ko Ngai often 60–90 minutes depending on route. Boats can be affected by weather; always confirm return times and book transfers in advance during high season.
Recommended Duration
3–5 days to comfortably visit two or three islands (e.g., overnight on Ko Mook with a day trip to Ko Kradan and Ko Ngai) — more time if you plan to dive or relax.
Clothing & Gear Tips
Lightweight, breathable clothing; a light rain jacket in shoulder season; good reef-safe sunscreen (non-nano zinc or approved reef-friendly products); water shoes for rocky approaches; snorkel gear (optional to bring your own), dry bag, hat, and insect repellent for evenings.
Local Food & Souvenirs
Fresh seafood dishes and southern Thai specialties (spicy curries, seafood grills). Try local grilled fish, coconut-based curries, and tropical fruit. Souvenirs: handmade shell or coral jewelry (ensure it is locally and sustainably sourced), woven textiles, and small handicrafts sold by island vendors. Consider buying from community-run stalls to support local livelihoods.
