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100 Degrees East
Nightlife & Bars
Koh Samui

100 Degrees East

5.0(559 reviews)

Based on Bangrak Beach in Koh Samui, 100 Degrees East is a well-established water sports and tour operator specialising in guided excursions to Ang Thong National Marine Park. The company runs full-day boat tours combining snorkelling and kayaking, as well as diving trips suited to varying experience levels — including those returning to the water after a long break. Visitors consistently highlight the professionalism and warmth of the crew, noting that the team creates a genuinely relaxed and safe atmosphere on the water. Tours are described as well-organised from start to finish, with activities structured to showcase different aspects of the marine park — from underwater snorkelling among fish to kayaking through the park's distinctive coastal scenery. The operation caters to couples, solo travellers, and groups alike. Practically speaking, the office operates daily from 9am to 6pm, making it straightforward to call in, ask questions, or book in person. Given the popularity of Ang Thong tours, booking in advance is advisable, particularly during peak season between November and February. Visitors planning a diving trip who haven't been in the water for some time can expect the team to accommodate their pace. Check the website at www.100degreeseast.com for current tour schedules, pricing, and availability before arrival.

Experience hints

Visitor favorite

Pair your visit. After 100 Degrees East, round out your day in Koh Samui with contrasting stops nearby.

Visitor Reviews

We had the most fantastic day out with 100 Degrees East on a snorkelling and kayaking trip to Ang Thong National Marine Park. From start to finish, everything was incredibly well organised. The team’s commitment to safety was clear throughout the day, which meant we felt completely safe and really well looked after at all times. The crew were outstanding — the perfect mix of fun and genuinely caring. They created such a relaxed, happy atmosphere while still being totally professional. Having a small group made all the difference. We were so glad not to be on one of the big, crowded tours. It felt personal, unhurried, and much more special. The crew clearly know Angthong inside out — they took us to stunning spots and expertly avoided the worst of the crowds, which made the whole experience feel even more magical. The snorkelling was incredible — we saw loads of tropical fish and the water was beautifully clear. It really was suitable for all abilities too, with multiple guides taking out small groups of around four people at a time, so everyone felt comfortable and supported. We had so much fun from start to finish and would 100% recommend them. Pro tip: you cannot apply enough sunscreen to the backs of your legs when snorkelling!

Thank you for a wonderful tour to Ang Thong Marine Park! I had a fantastic day, the crew were fabulous & the selection of activities a great way to see different aspects of the park. Saw lots of fish snorkelling, the kayaking was pretty & the viewpoints spectacular. We had a delicious lunch on a lovely beach with time for a swim; fruit snacks after activities and soft drinks & water refills available all day. Perfect! Thanks so much for adding in my request for the Pha Chan Charat viewpoint. I am glad we went and my fellow hikers agreed - the view was spectacular! The crew managed to time it so we were the only group there (and for torrential rain and mist as we walked up, and the sun to come out as we hit the top for the view!!!!) Thank you to our guides Tae, Midnight and the rest of the crew. Thank you Cara for brilliant communication & answering all my questions prior to the tour. Thank you 🤩

This is the best quality tour operator I've ever been with, and I've used many similar operators all over the world. I took a boat tour to Ang Thong N.P. from Ko Samui for some snorkeling, kayaking, and short hikes. It was a full day with them. 10° East customer service was top notch. Every little detail was thought of and I felt like I was royalty being waited on. Excellent service and professional guides and captain. The boat only had 11 people on board, 12 is their ideal and what sets them apart from the tourist factories. These folks are all about quality of service. It's worth the tiny bit more you pay to go with these folks. 5-stars easily.

Location Info

23, Bangrak Beach T, 5, Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand+66 86 282 2983www.100degreeseast.com/
Opening Hours
Monday09:00-18:00
Tuesday09:00-18:00
Wednesday09:00-18:00
Thursday09:00-18:00
Friday09:00-18:00
Saturday09:00-18:00
Sunday09:00-18:00

Tips for Visiting Nightlife & Bars

Carry Your Passport or a Copy

Clubs and some bars check IDs strictly, especially in Bangkok's Thonglor, RCA, and Sukhumvit areas. A photo of your passport info page on your phone usually works, but carrying a laminated photocopy is safer.

Know the Closing Times

Legal closing time is 2 AM for most venues, though enforcement varies. In Bangkok's designated entertainment zones (RCA, Silom Soi 2/4, Khao San), some clubs stay open until 4 AM. Islands tend to be more relaxed about hours.

Buy Bucket Drinks Cautiously

Island bucket drinks (mixed spirits in a small bucket) are cheap and fun but notoriously strong and inconsistent. Stick to one, stay hydrated, and never leave your drink unattended at beach parties.

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Visitor Information

Best time to visit

January – August

Avoid: October – December (Gulf Coast monsoon)

Rainy season

October – December

Avg. temperature

24°C – 32°C(75°F – 90°F)

Crowds

High

Peak: July – August & December

Getting there

Koh Samui Airport (USM) has direct flights from Bangkok and regional hubs (Bangkok Airways monopoly). Ferry from Surat Thani takes ~1.5 hrs — a cheaper option.

Getting around

  • Songthaews (fixed routes around the ring road)
  • Motorbike or scooter rental
  • Taxis (metered or negotiate upfront)
  • Grab available in main areas