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Find Liveaboard Diving & Day Trips

While the vast majority of the trips that we sell are for overnight and liveaboard diving cruises, we still offer a good selection of diving day trips at the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock (which is in the Surin National Marine Park). Day trips enable guests to enjoy the comfort of their Khao Lak hotel or resort, and they’re ideal for those who don’t like sleeping on a boat or who have family or a partner who doesn’t want to join. Almost all of the diving day trips offer two dives, because there isn’t really enough time to squeeze in three dives, plus all the travelling required. With Richelieu Rock as the exception, the day trips’ two dives are nearly always at different dive sites, even if on the same island. For example, Koh Bon has at least two dive sites, as does Koh Tachai. Prices are very comparable from one boat to the next, and there isn’t the wide selection of prices that can be seen on our liveaboard boats. All our Similan diving day trips depart from Khao Lak, and they are not suitable for guests who stay in Phuket the night before departure. The vessels used for transfers and for diving vary, but all need to rely on speed to cover 60km or more each way.

Itineraries for our Similan & Richelieu Rock diving day trips are quite similar. All leave from Khao Lak in the morning, and return before sunset. Guests are collected from Khao Lak hotels and resorts at set times (usually) for free. These times vary depending on the boat’s departure time and pier, and how far away from there the guests’ hotels are.

Equipment fitment, paperwork and payment need to have been completed the day before on most trips because everyone is transported directly to the pier. This is not a time to be trying on wetsuits or choosing which credit card to pay with. Some boats sail at 8.00am from Tab Lamu Pier, and others sail at 9.00am from Baan Nam Khem or a private pier nearby. It’s good to have had some light breakfast before you’re picked up, because the day trip boats tend not to feed guests with more than a snack. This is due to the time needed and the possibility if seasickness. Dive briefings are usually done on the way to the dive sites. There are two dives, at locations chosen to best suit the guests’ needs, as well as the sea & weather conditions. Between the dives, guests have lunch, and some choose to snorkel around the boat, socialise or have a nap. As soon as is practical after the second dive, the boat returns to the pier it departed from. When choosing a hotel or Similan day trip, it’s worth noting the location of the hotel and the boat’s pier, because there can be up to an hour’s difference travelling in the morning and then again in the afternoon.

Day Trip Diving Reviews from Divers

Nawanoppa Day trip diving speed boat
Apr 2017
8/10
"easy communication, proper organization & unforgettable diving experience! Thanks..."
Nawanoppa Day trip diving speed boat
Apr 2017
10/10
"Great boat, great crew. I have enjoy it allot on a trip to ko tachai...."
Blue Dolphin daytrip dive boat
Apr 2017
10/10
"Amazing trip, excellent and professional service , thanks Jamie..."

Dive Locations are of course pre-planned, but small adjustments can be made due to the sea conditions, the weather, or if special species of marine life has been spotted. Nearly all of our boats run a weekly schedule that has proven to be successful for several seasons. The boat owners and operators want to maximise customer satisfaction, so they plan the trips to be as popular as possible. With a couple of exceptions, all the day trips visit two different diving sites each day. At The Similan Islands, it is very easy to select two dive spots because there are so many great dive sites to choose from. Koh Bon & Koh Tachai are technically within the Similan Islands National Marine Park, but they are located 23km & 46km to the north of the northernmost Similan Island. Koh Bon and Koh Tachai offer more challenging but more rewarding dives that are normally better for experienced divers. Both are extremely good and both have at least two distinct dive sites, meaning that a scuba diving day trip to either will give you something different for each dive. One boat, Blue Dolphin, actually offers diving day trips which do one dive at Koh Bon and the other at Koh Tachai, which is very popular and great value, too. Richelieu Rock is Thailand’s premier dive site and large and good enough to be fully enjoyed twice in a day. There is no need for anyone to worry about getting bored seeing the same fish twice.

Prices of our Similan & Richelieu diving day trips don’t vary too much from one boat to another. This is due to several reasons, which include lack of diversity and local competition between operators. The lack of diversity can be explained in that all the boats run outboard motors designed for speed and efficiency. They all run on the same type of fuel and are comparable in size and speed. There are not differences in luxury that can be compared on our liveaboard boats, because day trip boats don’t have cabins, lounge areas etc. Therefore the cost to the owners to run the trips is very similar. Of course, each boat owner/operator needs to attract as many customers as possible while making a profit. So it’s easy to understand that they offer prices to compete with one another.

Departure Piers for our Similan & Richelieu day trips are located to the south and north of Khao Lak. Tab Lamu Pier is the most popular for liveaboard departures in the evening, and it is used by several of our speedboat transfers in the morning. Tab Lamu Pier is 13km to the south from central Khao Lak (Nang Thong), 16km from the Tsunami Memorial in Bang Niang, and 22km from JW Marriott Khao Lak. Baan Nam Khem and Blue Dolphin’s private piers are 21km north from JW Marriott, 25km from the Tsunami Memorial, and 27km from Nang Thong in Central Khao Lak. Tab Lamu is the nearer of the two piers to Phuket, but is still an hour from the northernmost part of Phuket. Taking into account that each boat journey is at least 75 minutes long, staying in Phuket is not at all practical for joining a diving day trip to the Similan Islands. Divers staying in Khao Lak are on the move for around two hours in the morning and then again in the evening, which is enough in itself. Staying in Phuket and doing a Similan day trip would involve around 6 hours travelling, just for two dives of not more than 60 minutes each.

We have two different types of boats for diving day trips. Most, such as Wet Cat, Stingray, and Blue Dolphin are fast boats which guests spend the whole day on. These are comfortable and stable and easy to dive off of, climb back onto, and enjoy lunch on. However, a couple of our day-trip diving boats team up with their sister vessels to enable guests to enjoy lunch on and to dive from larger dive boats. These are great for those who don’t want to be stuck on a small speedboat all day, especially if the sea is choppy. Nawanoppa’s sister ship is MV Camic, and Nemo 2’s big sister is the brand-new for October 2017 MV Nemo 1. Diving from and eating lunch on a larger boat can make your diving day trip far more comfortable than spending all day on a smaller vessel.

Filter: Day Trips Diving at The Similan Islands
Best Dive Sites Only
Fast, Safe & Stable
Recent Makeover
German Efficiency
Wet Cat diving day trip boat

Wet Cat is a hugely-popular speed catamaran designed to take groups of divers out to Thailand’s very best diving locations. The twin-hull design offers both stability and speed, increasing passenger comfort and convenience. Wet Cat takes a maximum of sixteen diving passengers in groups of no more than four per guide. To ensure a good selection of Thailand's best diving sites, trips alternate between Richelieu Rock, Koh Bon & Koh Tachai. Customer feedback is always extremely positive for this great daytrip boat and its friendly, yet professional

Type: Day trip
Dive Boat Departs from: Khao Lak
No. of Divers: 16
Day trips from: 4,500 THB per diver
Destinations Duration Per diver
Koh Bon
(2 dives)
1 Day Trip
Per diver 4,500 THB
Koh Tachai
(2 dives)
1 Day Trip
Per diver 4,700 THB
Richelieu Rock
(2 dives)
1 Day Trip
Per diver 5,000 THB
Fastest Journey Times
17 divers
Snorkellers & Children Welcome
Best-value Richelieu Rock trips
Blue Dolphin daytrip dive boat

The Blue Dolphin is a fast, smooth & comfortable speedboat that offers diving day trips at. Blue Dolphin is usually the first boat back from Similan & Richelieu Rock day trips. Great service, rganisation & prices.

Type: Day trip
Dive Boat Departs from: Khao Lak
No. of Divers: 17
Day trips from: 4,600 THB per diver
10/10 Based on 1 diver reviews
Destinations Duration Per diver
Similan Islands
(2 dives)
1 Day Trip
Per diver 4,600 THB
Koh Bon
(2 dives)
1 Day Trip
Per diver 4,600 THB
Koh Bon, Koh Tachai
(2 dives)
1 Day Trip
Per diver 4,800 THB
Richelieu Rock
(2 dives)
1 Day Trip
Per diver 5,000 THB
10% off of remaining spaces for October departures
Experienced, Friendly & Professional Management
Great Value
Always Exactly On Time
Similans, Koh Bon & Koh Tachai
Nemo 2 day trip diving boat to Similans
Special offers available

Nemo 2 is a fast and comfortable speedboat which runs on 2x Yamaha 200hp outboard motors. Divers are taken from Tab Lamu pier in Khao Lak with Swiss precision, and about 75 minutes later arrive at the ‘Mother Ship’ to enjoy comfortable and relaxing diving, lunch, snorkeling and sunbathing. Offering the best of both worlds (speed & comfort) guests enjoy the most convenient and enjoyable diving day trips at the Similan Islands, Koh Bon & Koh Tachai (depending on the day of the week). 

Type: Day trip
Dive Boat Departs from: Khao Lak
No. of Divers: 16
Day trips from: 4,500 THB per diver
10/10 Based on 3 diver reviews
Destinations Duration Per diver
Similan Islands
(2 dives)
1 Day Trip
Per diver 4,500 THB
Koh Bon
(2 dives)
1 Day Trip
Per diver 4,700 THB
Koh Tachai
(2 dives)
1 Day Trip
Per diver 4,700 THB
Nemo 2 Special Offers Coming Up
10% off remaining spaces
Koh Tachai
(2 dives)
Departs: 17 Oct 2017
Returns: 17 Oct 2017
1D Per diver
Special offer
4,700 THB
4,230 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 18 Oct 2017
Returns: 18 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 19 Oct 2017
Returns: 19 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 20 Oct 2017
Returns: 20 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 21 Oct 2017
Returns: 21 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 22 Oct 2017
Returns: 22 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Koh Bon
(2 dives)
Departs: 23 Oct 2017
Returns: 23 Oct 2017
1D Per diver
Special offer
4,700 THB
4,230 THB
10% off remaining spaces
Koh Tachai
(2 dives)
Departs: 24 Oct 2017
Returns: 24 Oct 2017
1D Per diver
Special offer
4,700 THB
4,230 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 25 Oct 2017
Returns: 25 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 26 Oct 2017
Returns: 26 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 27 Oct 2017
Returns: 27 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 28 Oct 2017
Returns: 28 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Similan Islands
(2 dives)
Departs: 29 Oct 2017
Returns: 29 Oct 2017
1D Per diver
Special offer
4,500 THB
4,050 THB
10% off remaining spaces
Koh Bon
(2 dives)
Departs: 30 Oct 2017
Returns: 30 Oct 2017
1D Per diver
Special offer
4,700 THB
4,230 THB
10% off remaining spaces
Koh Tachai
(2 dives)
Departs: 31 Oct 2017
Returns: 31 Oct 2017
1D Per diver
Special offer
4,700 THB
4,230 THB
Fast journeys
Dive from & have lunch on a larger boat
Richelieu Rock every Friday
The best of both worlds
Nawanoppa Day trip diving speed boat

Nawanoppa is a day trip boat with a difference. Divers only travel on the speedboat, and dive from a liveaboard boat, which has a large platform and space to move around. In addition, the surface interval and lunch are much more relaxing on the large boat which stays out at sea.

Type: Day trip
Dive Boat Departs from: Khao Lak
No. of Divers: 20
Day trips from: 4,300 THB per diver
9/10 Based on 2 diver reviews
Destinations Duration Per Diver
Similan Islands
(2 dives)
1 Day Trip
Per Diver 4,300 THB
Koh Tachai
(2 dives)
1 Day Trip
Per Diver 4,500 THB
Koh Bon
(2 dives)
1 Day Trip
Per Diver 4,500 THB
Richelieu Rock
(2 dives)
1 Day Trip
Per Diver 4,700 THB
Sails from Khao Lak
Safe & Stable
Large & Comfortable
Best Day Trips
Stingray Similan Islands dive boat

MC Stingray is a very large catamaran (twin-hull speedboat) that sails to the Similan Islands safely and comfortably in all kinds of weather and sea conditions. She is the perfect choice for anyone who wants to dive at the Similan Islands without staying overnight on a liveaboard cruise boat. Her two huge engines quietly and efficiently get the job done while her twin hull design and large size keep everything stable for a comfortable journey. Prices are very reasonable, and the vast space allows passengers to walk around, relax or enjoy the delicious

Type: Day trip
Dive Boat Departs from: Khao Lak
No. of Divers: 30
Day trips from: 4,300 THB per diver
9/10 Based on 1 diver reviews
Destinations Duration Per diver
Boat Schedule and prices coming soon
Sundancer day trip Similan Diving

New for the 20177-18 Similan Islands diving season, MC Sundancer has the perfect balance of speed and comfort, and prices are very competitive, too. While speedboats are bouncy and unstable and liveaboards are slow, Sundancer’s design offers stability and speed at the same time. It visits The Similans, Koh Bon, Koh Tachai & Premchai Wreck.

Type: Day trip
Dive Boat Departs from: Khao Lak
Day trips from: 4,900 THB per diver
Destinations Duration Per Diver
Koh Bon
(2 dives)
1 Day Trip
Per Diver 4,900 THB
Similan Islands
(2 dives)
1 Day Trip
Per Diver 4,900 THB
Koh Bon, Koh Tachai, Premchai Wreck
(2 dives)
1 Day Trip
Per Diver 6,300 THB

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Similan Islands Liveaboards Thailand: 9 out of 10 based on 114 scuba diver ratings.

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