1× Koh Bon and 2× Similan #9
Divers only
Explore Thailand’s Andaman Sea with Dive Syndicate. Discover local Khao Lak reefs, head offshore to the Similan Islands, or spend the day diving Koh Bon, Koh Tachai and legendary Richelieu Rock — all with an experienced team that knows these waters inside out.

Compare the planned offshore routes for each weekday, then ask us to confirm conditions, suitability and availability for your dates.
Dive sites can change without prior notice depending on weather conditions, ticket availability, and diver experience levels.

We keep our trip pricing simple and transparent. Your dive trip price is shown in THB, with National Park fees and optional equipment rental clearly listed separately, so you’ll know what your day of diving will cost before you book.
Great diving starts before you step on the boat. Book directly with our team and we’ll help you choose the right trips for your experience, interests and time in Khao Lak. We’ll take care of the details — dive experience, equipment, pickup and preferences — so your days on the water are straightforward, well planned and focused on the diving.
Not every dive site suits every diver. We consider your experience, recent diving and interests to help you choose the right trips and make the most of your time in Khao Lak.
No third-party booking layers. No lost information. Just direct support from people who know Khao Lak and the diving operation.
Ask questions in your language when choosing dive sites, planning a course or preparing your first diving experience.
Package prices are the published totals. The selected Similan and local routes, separate fees and the rental-equipment discount are confirmed during booking.
Compare the base prices for each planned route. Offshore National Park fees and optional rental equipment are separate.
Want help mixing local dives and day trips?Message us with your dates
Selected offshore schedule days welcome snorkellers. Equipment rental is optional rather than included.
Base price + 500 THB National Park entry.
Base price + 250 THB National Park entry.
Optional full rental for offshore trips. Local rental is also 500 THB and excludes the dive computer.

Our local guides plan every day around what the ocean is doing. Tides, currents and visibility all factor in. That way you are always at the right site at the right moment for the best encounters. Compare the main Khao Lak dive routes.
Flexible local diving by longtail boat, including Boonsung Wreck when suitable — ideal for refreshers, training dives and relaxed fun dives
Classic Andaman Sea day trips, with Koh Bon manta routes and Koh Tachai advanced diving considered when schedules and conditions fit
An iconic offshore dive when scheduled and conditions allow
Combine fun dives and SSI training with a plan that matches your goals
Yes. Day-trip dives are for certified divers. The right trip depends on your certification level, recent dive experience, comfort in the water and current sea conditions.