South to North: Similan Islands, Koh Bon, Koh Tachai, Surin Islands, and Richelieu (Thap Lamu - Khuraburi)

Explorer · Thailand · 6D5N

Duration
6D5N
Embarkation
Thap Lamu, Thailand
Disembarkation
Khuraburi, Thailand
Dives
Approximately 16 dives in total

About this route

Embark on an unforgettable journey through Thailand's Andaman Sea, a diver's paradise renowned for its vibrant coral gardens and crystal-clear waters. This route connects you to some of the most celebrated underwater landscapes, where you can expect encounters with majestic manta rays, whale sharks, and a kaleidoscope of reef fish. Explore dramatic granite boulder formations, swim through schools of fusiliers, and discover the rich biodiversity of these iconic Thai islands.

Day-by-day plan

  1. Day 1: Embarkation – Similan Islands

    The journey begins with check-in at the Sea Dragon Dive Center in Khao Lak, where you'll be briefed before departing. The transfer will take you to Tap Lamu harbour, approximately 20 minutes away, where you will board the vessel. After settling into your cabin, a general boat and safety briefing will take place. The ship will then embark on its journey to the Similan Islands, which typically takes 4-5 hours.

  2. Day 2: Similan Islands & Koh Bon – Diverse Reefs

    Today's diving explores the vibrant underwater world of Similan Islands and Koh Bon. Divers can anticipate three captivating daytime dives and an exciting night dive, revealing the diverse marine ecosystems of these renowned Thai destinations. The Similan Islands are celebrated for their dramatic granite boulder formations, while Koh Bon is particularly known for its opportunities to spot larger pelagic species. Both locations offer stunning coral gardens that host a variety of reef fish and other smaller marine wonders.

  3. Day 3: Koh Bon & Koh Tachai – Pelagic Wonders

    The day focuses on the stunning dive sites around Koh Bon and Koh Tachai, offering three daytime dives and a memorable sunset dive. Koh Bon is often frequented by manta rays, making it a prime location for encountering these magnificent creatures, while Koh Tachai is known for its strong currents which attract a range of pelagic species. Divers can look forward to exploring diverse reef structures and rock formations, with the chance to observe schooling fish and various invertebrates.

  4. Day 4: Surin Islands – Northern Secrets

    Today's itinerary includes three daytime dives around the picturesque Surin Islands, followed by a relaxing beach or island visit. The Surin Islands are characterized by their pristine coral reefs and offer a more untouched diving experience compared to some of the more frequented sites. The area is known for its healthy hard and soft coral gardens, which provide habitat for a rich diversity of marine life. Divers can expect good visibility and opportunities to observe various schooling fish and reef inhabitants.

  5. Day 5: Richelieu Rock – Marine Life Magnet

    The final full day of diving takes place at the iconic Richelieu Rock, where two morning dives are planned. Richelieu Rock is widely celebrated as one of Thailand's premier dive sites, renowned for its horseshoe-shaped pinnacle that acts as a magnet for an incredible array of marine life. The site often features vibrant soft corals and is a magnet for large pelagic fish, including frequent whale shark and manta ray sightings during the right season. Divers can expect strong currents, healthy reef systems, and a high chance of diverse encounters.

  6. Day 6: Disembarkation – Khao Lak

    After the last dive on Day 5, the vessel will begin its journey back towards the mainland, arriving at the nearest harbor in Khuraburi. Guests will enjoy lunch onboard before disembarking. Transfers will then be arranged to take you back to your hotel in Khao Lak. Taxis to Phuket or other areas are also available.

Upcoming departures

  • 2026-10-17 – 2026-10-22from 990 USDBook
  • 2026-11-02 – 2026-11-07from 990 USDBook
  • 2026-11-17 – 2026-11-22from 990 USDBook
  • 2026-12-02 – 2026-12-07from 990 USDBook
  • 2026-12-17 – 2026-12-22from 990 USDBook
  • 2027-01-02 – 2027-01-07from 990 USDBook
  • 2027-01-17 – 2027-01-22from 990 USDBook
  • 2027-02-01 – 2027-02-06from 990 USDBook
  • 2027-02-16 – 2027-02-21from 990 USDBook
  • 2027-03-03 – 2027-03-08from 990 USDBook
  • 2027-03-18 – 2027-03-23from 990 USDBook
  • 2027-04-02 – 2027-04-07from 990 USDBook

All routes of this liveaboard

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