Phuket is a true paradise for underwater lovers. Whether you’re trying snorkeling for the first time or you’re a certified diver, the waters around the island offer crystal-clear visibility, colorful reefs, and incredible marine life. Here are the top spots and tips to help you plan the perfect snorkeling and diving adventure in Phuket.

🐠 Best Snorkeling in Phuket

Phi Phi Islands

Around an hour by speedboat, the Phi Phi Islands are famous for turquoise waters and vibrant reefs. Snorkelers can expect tropical fish, colourful corals, and even small reef sharks in safe areas.

Koh Racha Yai & Koh Racha Noi

South of Phuket, these islands are snorkeling classics. Racha Yai offers calm, shallow reefs ideal for beginners and families. Racha Noi, with its deeper waters and dramatic terrain, suits more confident snorkelers.

Coral Island (Koh Hae)

Only a short boat ride from Phuket, Coral Island is perfect for a quick snorkeling trip. Calm, sandy shallows make it a great half-day option with easy marine life viewing.

Similan Islands

For those with extra time, the Similan Islands deliver some of Thailand’s best snorkeling. Pristine reefs, outstanding visibility, and a remote setting make it unforgettable.

🤿 Best Diving in Phuket

Shark Point & Anemone Reef

Two of Phuket’s top dive sites. Shark Point features dramatic pinnacles and soft corals, while Anemone Reef is known for its colourful anemone gardens and macro life.

King Cruiser Wreck

This ferry sank in 1997 and has since become one of the most popular wreck dives in Phuket. With strong currents and abundant marine life, it’s best for experienced divers.

Koh Dok Mai

A vertical wall dive between Phuket and Shark Point. Expect sea fans, nudibranchs, ghost pipefish, and more. Suitable for intermediate and advanced divers.

Racha Islands Dive Sites

Racha Yai is great for beginners and training dives, while Racha Noi offers deeper, more challenging dives with larger marine life and clearer visibility.

🔍 Tips for Snorkeling and Diving in Phuket

• Match your skill level – Some sites (like King Cruiser or Racha Noi) have strong currents. Always dive with certified operators.

• Best time to visit – November to April offers calm seas and better visibility, though many sites are open year-round.

• What to bring – Quality mask and snorkel, reef-safe sunscreen, dive logbook or certification card, and a waterproof camera.

• Respect the environment – Corals are fragile. Don’t touch, don’t step, and avoid stirring sediment. Help preserve Phuket’s marine ecosystem.

✅ Why Choose Phuket for Snorkeling & Diving

• Variety – From shallow reefs to wrecks, walls, and pelagic life like manta rays.

• Accessibility – Many sites are reachable in a single day trip.

• Biodiversity – Rich marine life at affordable tour prices, making Phuket one of the top dive and snorkel destinations in Asia.