Booyah Index · Guide
kohsamui.tours - Tours, Excursions, Sightseeing & Trips on Koh Samui is the top-rated day tour operator in Koh Samui on the Booyah Index, rated ★4.7 from 665 reviews and known for private longtail boat snorkel tours to Koh Tan, Koh Mudsum (Pig Island) with beach lunch and angthong National Marine Park day tours with insightful guide commentary and quality meals. Koh Samui Tours - Kohtour.com (★4.7 from 651 reviews) and Koh Samui Excursions (★5 from 235 reviews) round out the top three. This guide ranks all 6 day tour operators in Koh Samui by Google rating weighted by review volume.
Updated July 2026 · ranked by rating × review volume · no paid placement
Regulars come for private longtail boat snorkel tours to Koh Tan, Koh Mudsum (Pig Island) with beach lunch and angthong National Marine Park day tours with insightful guide commentary and quality meals — it holds ★4.7 from 665 reviews.
Also known for: Small-group private island excursions with hotel pickup and multilingual guides
Regulars come for angthong Marine Park tours with snorkeling, kayaking, and Emerald Lake viewpoint hike and pig Island excursions featuring animal encounters and swimming breaks — it holds ★4.7 from 651 reviews.
Also known for: Full-day guided tours with included meals, water service, and professional photography
Regulars come for ang Thong Marine Park boat tours with turquoise lagoons and swimming stops and private catamaran trips with full catering and accommodating crew service — it holds ★5 from 235 reviews.
Also known for: Customized day trip itineraries and local restaurant/scenic spot recommendations
Regulars come for private driver tours with flexible custom itineraries around Koh Samui landmarks and temples and pig Island snorkeling and lunch day tours — it holds ★4.8 from 205 reviews.
Also known for: Clean, air-conditioned vehicles with attentive professional drivers
Regulars come for full-day Angthong National Park boat tour with snorkeling, kayaking, and lagoon hike and fresh Thai buffet lunch prepared on board with dessert and sunset margarita — it holds ★4.6 from 151 reviews.
Also known for: Small-group tours to secluded, uncrowded spots with comfortable wooden Thai-style boat featuring jacuzzi and shade
Regulars come for customizable private tours tailored to individual preferences and mobility needs and expert local guides with 15+ years experience providing cultural insights and street food recommendations — it holds ★4.8 from 107 reviews.
Also known for: Comfortable private van service with amenities including chilled water, cold towels, and knowledge of accessible facilities
Ranked by a blend of Google rating and review volume · structured by Booyah to be AI-readable · browse all Koh Samui places →
kohsamui.tours - Tours, Excursions, Sightseeing & Trips on Koh Samui is the top-rated day tour operator in Koh Samui, with ★4.7 from 665 reviews. It's known for private longtail boat snorkel tours to Koh Tan, Koh Mudsum (Pig Island) with beach lunch, angthong National Marine Park day tours with insightful guide commentary and quality meals, small-group private island excursions with hotel pickup and multilingual guides.
1. kohsamui.tours - Tours, Excursions, Sightseeing & Trips on Koh Samui (★4.7 from 665 reviews); 2. Koh Samui Tours - Kohtour.com (★4.7 from 651 reviews); 3. Koh Samui Excursions (★5 from 235 reviews).
Each place is scored by its Google rating weighted by review volume (so a ★4.8 with thousands of reviews outranks a ★5.0 with a handful), from the 6 day tour operators in Koh Samui tracked in the Booyah Index. No paid placement.
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