6D5N Similan Islands / Koh Bon / Koh Tachai / Richelieu Rock

Experience the best scuba liveaboard trip of your life!

Trip Overview

Join us aboard the MV DiveRACE Class X for an unforgettable 6-day, 5-night liveaboard journey through the most celebrated dive sites in Thailand. Discover the majestic Similan Islands, encounter graceful manta rays at Koh Bon and Koh Tachai, and experience the marine marvels of Richelieu Rock, one of the world’s top-rated dive sites.

Date
Duration

6 Days / 5 Nights

Time
Dives

Up to 18 Dives

Secure Spots
Departure

Tap Lamu Pier, Khao Lak

No Pool Session
Requirements

Minimum Open Water certification (Advanced certification is recommended)

️ Please note: Dive sites and schedules are subject to change due to weather, sea conditions, and the discretion of the captain and cruise director. Your safety and diving experience are our top priorities.

itinerary route

Similan Islands Richelieu Rock Map

Day 1

Arrival & Embarkation

  • Scheduled pick-up from hotel/airport (Khao Lak/Phuket area)
  • Embarkation begins from 6:00 PM at Tap Lamu Pier
  • Welcome briefing, safety orientation, and equipment setup
  • Dinner served onboard
  • Overnight cruise to the Similan Islands

No diving on embarkation day

Day 2

Similan Islands – Reef Life & Granite Formations

  • Hideaway Bay – Lush coral gardens, turtles, and nudibranchs
  • West of Eden – Lush coral gardens, turtles, and nudibranchs
  • Deep Six – Swimthroughs, turtles, and reef sharks
  • Honeymoon Bay (Night Dive) – Cuttlefish, crustaceans, and reef critters

Anchorage at a protected bay for the night

Day 3

Similan Islands – Reef Life & Granite Formations

Planned Dive Sites (weather permitting):

  • Elephant Head Rock – Stunning granite swim-throughs and reef sharks
  • Three Trees – Garden eels, schooling fusiliers, reef sharks
  • Christmas Point – Boulders, schooling travelly, turtles
  • Turtle Rock (Night Dive) – Cuttlefish, crustaceans, and reef critters

Overnight cruise north to Richelieu Rock

Day 4

Koh Bon & Koh Tachai – Giant Encounters

Planned Dive Sites:

  • Koh Bon Ridge – Manta cleaning station, moray eels, napoleon wrasse
  • Koh Bon Ridge or Pinnacle (weather & current permitting) – Deep site with pelagics
  • Koh Tachai Dome – Schooling barracuda, jacks, and potential mantas
  • Koh Tachai Reef (Sunset Dive) – Leopard sharks, batfish, soft coral walls

Overnight cruise north to Richelieu Rock

Day 5

Richelieu Rock – Macro Heaven & Big Fish Drama

1 dive at Surin Island

3 dives at Richelieu Rock, subject to tides and visibility:

  • Massive schools of snapper, trevally, and barracuda
  • Seasonal whale shark sightings
  • Macro gems: seahorses, harlequin shrimp, frogfish, ghost pipefish
  • Photogenic soft coral coverage with resident cuttlefish and scorpionfish

A paradise for wide-angle and macro photographers alike

BBQ dinner served onboard

Overnight cruise south toward mainland dive sites

Day 6

Wreck Diving Finale

Planned Dive Sites:

  • Boonsung Wreck – Nudibranchs, lionfish, pufferfish, and honeycomb morays

Lunch served after diving

Return to Thap Lamu Pier

Disembarkation & transfers at approx. 1:30 PM

Frequently asked questions