Koh Samui: Koh Tan and Koh Madsum Half-Day Tour by Catamaran

Koh Tan and Koh Madsum in just four hours. This power-speed catamaran trip is built for maximum time in the water, with snorkel gear ready, sea views in between, and a famous stop at Pig Island where the shoreline gets a lot more playful. I especially like the fast, comfortable boat ride that keeps the day feeling light and fun, not dragged out by long transfers.

Another thing I really like is how the day mixes classic reef time with active extras, including an onboard inflatable slide plus water sports like kayaking and paddleboarding. The main drawback to keep in mind: snorkel life is not guaranteed, and one stop can feel calmer on fish than others, depending on conditions.

Key things I’d look for before you go

• Catamaran comfort for a short trip, including lots of deck space and easy room to move around
• Snorkeling gear and life jackets are included, so you can get in the water quickly
• Koh Madsum aka Pig Island, with time to feed and hang out with the pigs in shallow water
• An inflatable slide that’s set up around the reef area, making it a big hit for all ages
• Meal and snacks on board, with seasonal fruit plus water and soft drinks included
• Pig and sea time is scheduled, so you’re not just “sitting on a boat” for half the day

A Power-Speed Catamaran That Makes Half a Day Feel Longer

This half-day Koh Samui water adventure is built around one idea: get you from island to island fast, then give you real time in the water. The boat is a power speed catamaran, and that matters. You spend less time watching the coastline drift by, and more time where it counts, at the snorkel stop and out on Koh Madsum.

I like that the ride feels social and easy. People have plenty of spots to relax, and there’s room to switch between sun time and shade time as you go. If you’re traveling with kids or a mixed group, that flexibility is a big deal, since not everyone wants to snorkel at the same pace.

Getting Picked Up in Koh Samui Without the Usual Chaos

Pickup is part of the package, and you can see why it helps. You don’t have to figure out pier logistics or organize your own transport at the worst possible time, when you’re trying to get out the door and beat the day.

Pickup windows depend on where you’re staying:

• From Maenam, Bophut, Bangrak, Choeng Mon, pickup is 12:00 to 12:15 PM
• From Nathon, Chaweng, Chaweng Noi, pickup is 12:15 to 12:30 PM
• From Lamai, Hua Tanon, pickup is 12:45 to 1:00 PM

It’s also worth knowing the broader pickup window can run from 7:45 to 8:30 AM for the morning trip or 12:00 to 2:00 PM for the afternoon trip, depending on your location. You’ll get confirmation by email after booking.

Koh Tan (Coral Island): Snorkeling and Sea Time With Real Options

Koh Tan is the reef-focused stop on the day. You’ll get about one hour for snorkeling and kayaking, which is a tight schedule, but it’s exactly the kind of timing that works on a half-day tour. The snorkeling setup is straightforward since snorkeling equipment and life jackets are included.

What you’re likely looking at:

• coral areas and reef fish around the snorkeling site
• clear enough water that snorkeling feels worthwhile
• the chance to see bigger marine life, like sea turtles, when conditions line up

Here’s the honest consideration. Snorkeling can vary day to day. One person noted that fish were hard to spot at their snorkel stop. So if you go in expecting “amazing marine life guaranteed,” you’ll be disappointed. If you go in expecting a fun reef swim and good water time, you’ll probably feel good about it.

Kayaking is part of the one-hour block, and it’s a nice way to see more of the coastline without feeling locked into staying face down in the water.

On the Water, Then Lunch: Why the Timing Works

After Koh Tan, you head toward Koh Madsum, with scenic views on the way. That in-between time matters because it keeps the day from feeling like a sprint that starts and ends at the first island.

Meal service is also built in. The inclusions list lunch and dinner, and the day runs only four hours, so expect food to be part of the on-board routine rather than a long island sit-down. Either way, you’ll have seasonal fruits, plus drinking water and soft drinks. This is the kind of inclusion that saves your energy. When you’re bouncing between deck time, snorkeling time, and Pig Island time, you don’t want to be hunting for snacks.

Koh Madsum (Pig Island): The Waterline Moment You’ll Remember

Then comes the stop that makes this tour famous: Koh Madsum, often called Pig Island. You get break time with about one hour there, plus the overall flow of the day gives you chances to interact without rushing.

The experience is simple and very photogenic:

• you arrive to pigs hanging out in the shallows
• you can feed and pet them
• you can take photos from the waterline or from the beach area
• you can also just relax on the sand if animals are not your main focus

I like this part because it’s not just “see something from a distance.” You’re close enough to feel how playful and curious the pigs are, and the shallow-water setting makes it feel safe and casual for most people. For families, it tends to be the highlight. For adults, it’s often a funny break from the usual snorkeling-only day.

One practical note: Pig Island time is typically the moment when you’ll want to be ready with your camera, waterproof phone cover if you use one, and sunscreen. You’ll likely spend more time near water and sand than you plan.

More Than One Way to Play in the Sea: Slide, Paddleboarding, Kayaks

This tour isn’t only snorkeling. It’s also about giving you “choose your own adventure” energy, especially if you’re not all the same kind of traveler.

Here’s what you can expect based on the run of the day:

• inflatable slide: set up around the reef area, and it’s a big crowd-pleaser
• paddle boarding: often available with no extra charge, depending on what’s running that day
• kayaking: included during the Koh Tan snorkeling block, and there can be add-ons depending on equipment availability

If you’re the type who loves structured activities, you’ll enjoy the packed sequence: snorkel, then water fun, then Pig Island. If you prefer downtime, you still have a beach break on Koh Madsum. It’s one of the reasons this works well as a half-day: you can match your energy level.

What’s Included (and What You Might Still Pay For)

The best value here is that the basics of an active day are covered, not just the boat ride.

Included highlights:

• round-trip transfer to Ocean king Samui pier
• snorkeling equipment, life jacket, and access to the inflatable slide
• seasonal fruits, drinking water, and soft drinks on board
• a meal service listed as lunch and dinner in the package inclusions
• insurance
• professional team (English and Thai-speaking crew)

Not included:

• National Park fee (you should budget for this if it applies to your day)
• personal expenses

Also keep in mind that some activities might have extra costs. For example, one person mentioned kayaking as an extra add-on priced at 300 baht. So if you’re on the fence about doing every water sport, bring some cash just in case.

Comfort on Board: Little Things That Make a Big Difference

Short tours can feel rough if the boat is uncomfortable. Here, comfort seems to be a priority in how the day is set up.

From what people describe, you can expect:

• lots of seating areas on different parts of the boat, including shaded options
• air-conditioned space on board
• good bathroom facilities (and that alone can save your mood on a day like this)

These details matter more than they sound. You’re out for four hours total, but you’ll still want a quick reset after snorkeling or a change from sun to shade.

Who This Tour Suits Best, and Who Should Skip It

This is a fun, active tour, so it fits best with travelers who are comfortable with:

• being on a moving boat for a few hours
• getting in the water with snorkel gear
• walking on sand and uneven ground near the shoreline

It is not suitable for:

• pregnant women
• people with back problems
• people with heart problems
• people over 60 years
• people with pre-existing medical conditions

Insurance also has limits. Accident insurance covers only 24 hours after the activity starts, and it does not cover guests with breathing difficulties, people aged 75 years or over, and children 0 to 3 years.

If you fall into any of those categories, it’s worth choosing a different style of outing, like a calmer island beach day.

Price and Value: Is $70 Worth It?

At about $70 per person for a four-hour half-day tour, the value comes from how many “paid separately” activities are usually bundled in one package.

You’re getting:

• transportation to the pier
• a catamaran ride
• snorkeling gear plus time at a reef area
• kayaking and/or other water activities during the water blocks
• Pig Island interaction time
• an inflatable slide experience
• meals and drinks, including seasonal fruit

So the math works best if you were already planning to do a boat trip, snorkel, and spend time on the islands. If you only want one thing, like snorkeling only, then you might find cheaper options. But if you want variety in a tight timeline, this is one of the more efficient ways to “do it all” without spending a whole day on the road.

Should You Book the Koh Tan and Koh Madsum Half-Day Catamaran?

I’d book this tour if you want a high-energy half-day with a real mix of reef time and big, easy fun at Pig Island. It’s especially smart for families, because the schedule includes both active water time and a relaxed island break, plus an onboard slide that tends to turn into the day’s favorite moment.

Skip it if you have medical limitations listed above, or if you’re the kind of traveler who needs consistent, guaranteed snorkeling wildlife. Conditions can affect what you see, and one stop might be quieter than you hoped.

If you’re coming to Koh Samui and want one trip that covers Koh Tan and Koh Madsum in a single easy plan, this is a strong contender.

FAQ

What is the duration of the Koh Tan and Koh Madsum half-day tour?

The tour runs for 4 hours.

How much does it cost?

The price is $70 per person.

What is included in the tour price?

It includes round trip transfer to Ocean king Samui pier, snorkeling equipment, life jacket, seasonal fruits, drinking water and soft drinks, lunch and dinner (as listed in the inclusions), insurance, and a professional English/Thai-speaking team.

What is not included?

The National Park fee is not included, plus personal expenses.

What time is pickup?

Pickup times vary by your area. For the afternoon service, pickup is listed as:

• 12:00 to 12:15 PM (Maenam, Bophut, Bangrak, Choeng Mon)
• 12:15 to 12:30 PM (Nathon, Chaweng, Chaweng Noi)
• 12:45 to 1:00 PM (Lamai, Hua Tanon)

Pickup windows can also be 7:45 to 8:30 AM for the morning trip and 12:00 to 2:00 PM for the afternoon trip, depending on location.

What should I bring?

Bring sunglasses, swimwear, sandals, a camera, sunscreen, comfortable clothes, beachwear, and cash.

Who should not book this tour?

It’s not suitable for pregnant women, people with back problems, heart problems, pre-existing medical conditions, and people over 60 years.