Snorkeling Koh Nang Yuan & Koh Tao: Sea Turtles & Coral

★★★★★★★★★★ 3.61 (38 reviews) 42% rated it 5 stars

Free cancellation

1/40

Duration7h–8h

GroupUp to 30

LanguagesEN

PickupAt your hotel

Koh Nang Yuan's coral gardens and Koh Tao's quiet bays hold the clearest snorkeling in the region.

This full-day snorkeling tour from Koh Samui visits Koh Nang Yuan and Koh Tao, two islands known for coral reefs, tropical fish and occasional sea turtles. You snorkel at multiple sites, hike to a viewpoint, and swim at Mango Bay and Tanote Bay. Hotel pickup from Lamai, Chaweng, Bophut and other areas is included, along with breakfast, Thai lunch, snorkeling gear and an English-speaking guide. The tour runs 7 to 8 hours and suits all fitness levels.

7h–8h

Step-by-step itinerary

Island hopping and snorkeling tour

Enjoy breakfast before departure
Travel from hotel to pier
Explore Koh Nang Yuan: snorkeling and sunbathing
Walk up to the viewpoint
Swim and snorkel at Koh Nang Yuan
Have buffet Thai lunch at a restaurant
Relax at Mango Bay beach
Snorkel at Tanote Bay on Koh Tao
Return to pier and hotel transfer

The Experience

Koh Nang Yuan arrives first. The island is a cluster of three peaks connected by sandbars, and the snorkeling starts in the shallows around the coral gardens — colorful fish move through the reefs close enough to watch without diving. After time in the water, a walking trail leads up to the viewpoint, a short climb that opens onto the three bays below and the islands beyond. The pace lets you choose: snorkel longer, rest on the white sand of Mango Bay, or both.

Koh Tao is quieter. Tanote Bay, on the island's east side, is sheltered and holds some of the clearest water on the tour — the coral here is dense and the fish populations are stable. This is where sea turtles show up most often, though sightings are not guaranteed. The bay stays shallow enough for snorkeling from the surface, and the reef runs close to shore. Breakfast happens before departure and a buffet Thai lunch is served on the island, so the day holds together without stopping for food elsewhere.

The boat is shared with other travelers, and an English-speaking guide stays with the group throughout. Snorkeling equipment, life jackets and a first aid kit are provided. Hotel pickup covers the main beaches and towns — Lamai, Chaweng, Bophut, Bangpor, Maenam, Butterfly Garden, Cheongmon and Bangrak — and the return follows the same route. The National Park fee (250 baht per adult, 150 baht per child) is separate; transfers from Nathon, Taling Ngam and other outlying areas cost an extra 700 baht per person each way.

What’s included

Hotel pickup and return transfer.
breakfast before departure.
buffet Thai lunch on the island.
snorkeling equipment, life jacket and first aid kit.
English-speaking guide.
accident insurance.
water, soft drinks and snacks throughout the day.

Good to know

Easy physical levelPublic transport nearbyNot for pregnant travelersNot for heart conditionsNot for back problems

Operated by Oh-Hoo

Is this one for you?Pick this if you're based in central Koh Samui and want a full day of island-hopping with snorkeling at Koh Nang Yuan and Koh Tao—the shared boat format works best for solo travelers or pairs watching costs, while groups of four or more should consider a private charter.