Last Update
September 23, 2025 11:31 AM

Koh Yao Yai

Koh Yao Yai

Quick Info

Koh Yao Yai
Nestled in the glittering Phang Nga Bay between Phuket and Krabi, Koh Yao Yai is Thailand’s ultimate off-the-grid island retreat. While its neighboring islands buzz with nightlife and crowds, Koh Yao Yai has taken a different path—one of peaceful villages, swaying palms, and laid-back coastal life. Here, fishermen still mend their nets at sunrise, and longtail boats glide across glassy seas. The island is famous for eco-conscious travel, gentle beaches, mangrove forests, and authentic Thai Muslim culture. Whether you’re seeking a slow tropical escape, hidden beaches, or sunset kayaking in mangroves, Koh Yao Yai offers a rare kind of serenity.
Capital:
Main cities:
Loh Jark, Klong Hia, Ao Sai, Laem Had, Ban Tai
International airport:
Nearest airport is Phuket International Airport (HKT) – 30–60 minutes away via car and boat
Population:
Around 8,000
Area:
137 sq km
Dependency Status:
art of Phang Nga Province, Thailand
Language:
Thai, Southern Thai, English (basic in tourist areas)
Currency:
Thai Baht (฿)
Time zone:
GMT: +7
Country Code:
+66 76
Driving:
Left-hand side
Electricity:
Type A, B, and C; standard voltage 220V, 50Hz
Emergency Number:
191 (Police), 1669 (Ambulance)
Tipping:
Not obligatory, but appreciated—tip 10% or round up in restaurants and for drivers

Map

Best Time to Visit

Koh Yao Yai

The best time to visit Koh Yao Yai is from November to April, when the weather is dry, sunny, and ideal for swimming, snorkeling, and boat trips. The island experiences monsoon season from May to October, which brings lush greenery and fewer tourists, but also occasional rain showers.

For a quiet, tropical escape, come during early December or late February, when the weather is perfect and crowds are minimal.

Top 10 Attractions in

Koh Yao Yai

  • Laem Had Beach
    This soft white sandbar stretches into the sea and changes shape with the tides. It's one of the island’s most photogenic and peaceful spots.
  • Loh Paret Viewpoint
    Overlooking the west coast, this sunset viewpoint offers epic golden hour views across Phang Nga Bay. Accessible by scooter, with a café nearby.
  • Ao Sai Pier & Floating Village
    Explore the local fishing culture with longtail boats, stilt houses, and seafood markets. Early morning is the best time to witness daily life.
  • Khlong Hia Market
    A lively morning market selling local fruits, snacks, seafood, and souvenirs. A great spot to meet locals and taste authentic Thai flavors.
  • Mangrove Forests & Kayaking
    Paddle through peaceful waterways, spotting mudskippers, kingfishers, and monkeys. Eco-kayak tours are available and support conservation.
  • Rubber Tree Plantations
    Take a guided walk through the rubber forests, where you can see the traditional tapping process and learn about local livelihoods.
  • Big Tree Viewpoint
    A towering ancient tree surrounded by jungle—locals consider it sacred. Great for nature walks and photos.
  • Beach Horse Riding
    Available on certain beaches like Loh Paret, offering a unique way to explore the coastline at sunrise or sunset.
  • Snorkeling Trips to Koh Khai Islands
    Nearby islands like Koh Khai Nok and Koh Khai Nai offer incredible coral reefs and crystal-clear snorkeling just a short boat ride away.
  • Thai Cooking Classes
    Learn to cook authentic southern Thai dishes with locals—an immersive cultural experience and a delicious souvenir for your tastebuds.
  • Local Tips -

    Koh Yao Yai

    • Dress modestly in villages
      Koh Yao Yai has a strong Muslim culture—cover shoulders and knees when outside resort areas as a sign of respect.
    • Book boats and transfers in advance
      Ferries and speedboats can fill up, especially in peak season. Booking early ensures smooth travel.
    • Wake early to catch island life
      Locals start their day at dawn, and the early morning light over the sea is breathtaking. It’s also the best time for markets and wildlife spotting.
    • Avoid the midday heat
      From 12–3 PM, it's hot and humid—plan beach time for mornings and late afternoons.
    • Use mosquito repellent
      Especially near mangroves and inland areas—repellent is widely available at minimarts.
    • Respect nature and marine life
      Avoid stepping on coral or disturbing marine animals. Many tours are eco-certified, so choose operators who protect the environment.
    • Support local businesses
      Eat at local Muslim-run family restaurants, book tours with island guides, and shop at the morning market for a genuine experience.
    • Try a herbal Thai massage
      Local spas offer relaxing and affordable massages using lemongrass, turmeric, and coconut oil.
    • Use cash for small purchases
      Many smaller shops and cafés don’t accept cards. There are ATMs in main villages.
    • Take it slow
      Island life here is laid-back. Don’t expect fast service or big schedules—relax, breathe, and let the island set the pace.

    Carnivals and Festivals in

    Koh Yao Yai

    • Eid al-Fitr (End of Ramadan)
      As a majority-Muslim island, this holiday is celebrated with feasting, prayer, and family gatherings. Visitors are often welcomed with sweet treats.
    • Songkran (Thai New Year – April 13–15)
      Though not as wild as in Bangkok, locals still celebrate with water splashing, family meals, and blessings at temples.
    • Loi Krathong (November)
      Lanterns and floral floats are released into the sea to honor water spirits. Some resorts host small, respectful ceremonies.
    • Local Fishing Festivals
      Held in small villages throughout the year to bless boats, celebrate the sea, and share fresh catches. Expect music, BBQs, and community spirit.
    • Vegetarian Festival (October)
      Observed by the Chinese-Thai community with colorful parades, meat-free food, and traditional rituals.

    Cool Facts About

    Koh Yao Yai

  • It’s the quieter sister of Koh Yao Noi
    While both islands are peaceful, Koh Yao Yai is larger, wilder, and even less developed than its sister island.
  • No traffic lights exist on the island
    Just scooters, tuk-tuks, and local songthaews (shared taxis)—life moves slow and stress-free here.
  • The island has its own dialect
    Locals speak a version of Southern Thai with unique phrases and intonations, making it distinct from Bangkok Thai.
  • It’s a birdwatching paradise
    Look for hornbills, egrets, sea eagles, and more—especially around the mangrove forests and inland jungles.
  • You can visit all year round
    Even during rainy season, showers are brief and dramatic. The island stays green, warm, and open for travel.
  • There’s no nightlife scene
    You won’t find clubs or loud bars here—just gentle music, fire pits, and quiet starry nights.
  • Many residents are fisherfolk and farmers
    The island’s economy is rooted in rubber, fishing, coconuts, and increasingly, eco-tourism.
  • Sustainability is a big deal
    Locals and expats work together to protect coral reefs, reduce plastic, and promote ethical travel.
  • It’s close to major hotspots, but feels far away
    Despite being just 30 minutes from Phuket, Koh Yao Yai feels like a world apart—authentic, calm, and slow.
  • Hollywood hasn’t found it yet
    Unlike Phi Phi or Phuket, you won’t see camera crews or crowds—just fishermen, palms, and blue sea.
  • FAQ

    Do you need a visa to visit the island?
    Most travelers do not need a visa for stays under 30 days (including citizens of the US, UK, EU, Canada, Australia, and New Zealand). Longer stays may require a visa extension. Thailand's visa policies apply on Koh Yao Yai, just like the mainland.

    What is the best way to get to the island?
    Fly into Phuket International Airport (HKT) or Krabi International Airport (KBV), then take a taxi to a nearby pier (Bang Rong Pier from Phuket or Thalane Pier from Krabi). From there, a 30–45-minute speedboat or longtail boat brings you to Koh Yao Yai.

    Should I rent a scooter on the island?
    Yes—absolutely recommended. The island is quite large, and renting a scooter is the easiest and most affordable way to explore beaches, viewpoints, and villages. Roads are quiet and mostly paved.

    Is the island wheelchair accessible?
    Partially. Some resorts and restaurants are accessible, but public transport and many natural areas are not well-suited for wheelchairs. It’s best to contact accommodations directly to confirm accessibility features.

    What are the island’s most famous landmarks?
    Notable sights include Laem Had Beach, the Big Tree Viewpoint, Ao Sai Pier, floating fishing villages, and the traditional rubber plantations inland. The island’s simplicity is its charm—it’s all about natural beauty and authentic Thai culture.

    What are the best beaches on the island?

    • Laem Had Beach – A photogenic sandbar with calm, clear waters
    • Loh Paret Beach – Great for swimming and beachfront resorts
    • Ao Muang – A peaceful bay with views of Phang Nga cliffs
    • Son Bay – Remote and undeveloped, ideal for quiet beach days
    • Klong Son Beach – Good for walking, with rustic seaside cafés

    What is unique about the island’s wildlife?
    You might see hornbills, sea eagles, water monitors, monkeys, and mudskippers in the mangroves. The island’s coral reefs also attract snorkelers and divers. Conservation is a local priority, and eco-tourism is encouraged.

    What traditional foods should you try on the island?
    Try Gaeng Som (sour curry), grilled seafood, mango sticky rice, and roti with condensed milk from roadside stalls. Local Muslim dishes like chicken biryani and beef satay are delicious and widely available.

    Can you drink tap water on the island?
    No. Tap water is not safe to drink—stick to bottled water, which is cheap and available everywhere.

    What is the nightlife like on the island?
    Very low-key. This is not a party island—expect beachfront bars, fire shows, and sunset cocktails, not clubs. Most places close early, and the vibe is calm, romantic, and peaceful.

    How can I stay connected to the internet on the island?
    Most hotels and resorts offer Wi-Fi, and mobile coverage is generally good with Thai SIM cards (AIS, TrueMove, DTAC). For faster access, head to cafés or co-working lounges in popular areas.

    What are some local souvenirs to bring home?
    Buy handmade soaps, local textiles, coconut oil, handicrafts made from palm leaves, and dried seafood or spices from village markets.

    20 Essential Words

  • Sawasdee ka/krub – Hello (female/male)
  • Khob khun ka/krub – Thank you
  • Chai – Yes
  • Mai chai – No
  • Tao rai? – How much?
  • Hong nam – Toilet
  • Naam – Water
  • Arroy – Delicious
  • Chai yen – Iced tea
  • Roti – Fried pancake
  • Tuk-tuk – Local taxi
  • Longtail – Wooden boat
  • Talay – Sea
  • S̄atawat – Century
  • Thale sap – Lagoon
  • Yut! – Stop!
  • S̄aphān – Pier
  • Khun sabai mai? – How are you?
  • Lao khao – Rice whiskey
  • Pai nai? – Where are you going?
  • Famous figures connected to

    Koh Yao Yai

  • Khun Adun Sritorn
    A respected local village elder and boat builder who helped preserve traditional longtail boat craftsmanship on Koh Yao Yai. His knowledge of the sea is legendary among islanders.
  • Pimjai Wichit
    A local chef and culinary teacher known for preserving traditional southern Thai Muslim recipes. She now offers cooking classes to travelers and supports community food programs.
  • Somchai Dechachat
    One of the island’s earliest eco-tourism entrepreneurs, Somchai helped introduce sustainable farming tours and forest walks, promoting responsible travel before it was trendy.
  • Yui Sittisak
    An artist who uses natural dyes from local plants to create textile art and handmade sarongs. Her work is now exhibited in galleries across Thailand.
  • Thanapol Promthep
    A marine biologist who launched reef restoration efforts around Koh Yao Yai and Koh Khai. His work has helped rebuild local coral ecosystems damaged by tourism elsewhere.
  • Lek Chaiyakan
    A monk and spiritual guide who built a small meditation retreat in the island's interior. His center draws visitors seeking silence and nature-based mindfulness.
  • Emma Morris
    An Australian expat and conservationist who founded an eco-lodge and led plastic-free campaigns on the island. Her efforts inspired many locals and businesses to reduce waste.
  • Thanom Jariyasophon
    A fisherman turned storyteller, Thanom is known for his oral histories about the sea, passed down to young islanders and visitors alike.
  • Jariya Anuchaporn
    A schoolteacher who created the island’s first children’s art and language program, bridging English education with traditional Thai culture.
  • Chef Pairoj Surasri
    A rising name in Thailand’s culinary scene, Chef Pairoj trained in Bangkok but returns often to Koh Yao Yai to create “sea-to-table” tasting menus using island-sourced ingredients.
  • Films and TV Shows Shot on the Island

    Videos