BlogTop 10 Best Snorkeling & Diving Spots Around Koh Phi Phi: Where Is the Most Beautiful Underwater?
Top 10 Best Snorkeling & Diving Spots Around Koh Phi Phi: Where Is the Most Beautiful Underwater?
The Phi Phi Islands are home to some of the most stunning snorkeling and diving sites in the entire Andaman Sea. With crystal-clear water, vibrant coral reefs, dramatic underwater landscapes, and abundant marine life, Phi Phi is a paradise for both beginners and experienced divers.
This article gathers the 10 must-visit snorkeling and diving spots around Koh Phi Phi, including highlights, what you can expect to see, and who each spot is best suited for.
1) Loh Samah Bay – The Clearest Water & Most Beautiful Coral Garden
Loh Samah Bay is often considered the best snorkeling spot in Phi Phi, thanks to its exceptionally clear water and calm conditions. Coral reefs here are colorful and easy to observe, even for beginners.
Highlights
- Crystal-clear water with great visibility
- Colorful hard coral formations
- Frequent sightings of parrotfish, butterflyfish, and clownfish
- Very easy access, located near Maya Bay
Best for:
Beginners and all general travelers
2) Pileh Lagoon – Emerald Lagoon Surrounded by Limestone Cliffs
Pileh Lagoon is one of the most iconic natural swimming pools in the world. The water is emerald green and incredibly calm, making it ideal for snorkeling and relaxing in the sea.
Highlights
- Mirror-like water clarity
- Plenty of small reef fish
- One of the most scenic snorkeling spots on the planet
Best for:
Snorkelers, swimmers, and travelers who love beautiful photography spots
3) Bamboo Island (Koh Mai Phai) – Clear Water & White Sand with Lots of Fish
Bamboo Island offers perfect conditions for snorkeling: shallow turquoise water, soft white sand, and healthy coral reefs close to shore.
Highlights
- Huge schools of tropical fish
- Hard corals and sea anemones
- Very clear water, especially in the morning
Best for:
Beginners, families, and children
4) Mosquito Island (Koh Yung) – The Clearest Snorkeling Spot in Phi Phi
Mosquito Island is famous for having some of the clearest underwater visibility around Phi Phi. Its coral reefs are long, healthy, and home to diverse marine life.
Highlights
- Visibility often reaches 10–20 meters
- Long stretches of hard coral
- Larger fish species such as batfish and snapper
Best for:
Experienced snorkelers, freedivers, and underwater photographers
5) Maya Bay (Outer Zone) – Vibrant Marine Life Beyond the Famous Beach
While swimming inside the beach area is regulated, the outer zone of Maya Bay remains a beautiful snorkeling site with healthy corals and plenty of fish.
Highlights
- Continuous stretches of hard coral
- Parrotfish and butterflyfish commonly seen
- Dramatic landscape combined with underwater scenery
Best for:
Travelers of all levels
6) Nui Bay – Quiet Crescent Bay Perfect for Photos & Relaxing Snorkeling
Nui Bay is a small, secluded bay on Phi Phi Don, known for its calm atmosphere and scenic surroundings.
Highlights
- Crescent-shaped bay with beautiful cliffs
- Clear turquoise water
- Starfish and sea anemones often spotted
Best for:
Couples, photographers, and travelers seeking a peaceful snorkeling spot
7) Rantee Bay – A Hidden Gem for Quiet, Relaxed Snorkeling
Rantee Bay is one of the most peaceful areas on Phi Phi, offering untouched coral reefs and clear shallow water.
Highlights
- Healthy mix of hard and soft coral
- Clear water even near the shoreline
- Quiet, private-beach vibe
Best for:
Snorkelers who want calm, crowd-free spots
8) Bida Nok – World-Class Scuba Diving
Located south of Phi Phi Leh, Bida Nok is one of the top scuba diving sites in Thailand. The underwater scenery features walls, caverns, soft corals, and diverse marine species.
Highlights
- Frequent encounters with blacktip reef sharks
- Large schools of barracuda
- Colorful soft corals
Best for:
Experienced scuba divers
9) Bida Nai – Another Top Dive Site Paired with Bida Nok
Bida Nai offers a slightly different underwater landscape with deeper coral gardens and varied rock formations.
Highlights
- Dense soft coral forests
- Sea turtles often spotted
- Rich biodiversity
Best for:
Advanced scuba divers
10) Shark Point (Blacktip Reef Shark Zone)
This snorkeling and diving area near Phi Phi Leh is known for its population of blacktip reef sharks, which are gentle and harmless to humans.
Highlights
- High chance of seeing blacktip reef sharks
- Medium to good visibility depending on tides
- Mixed coral ecosystem
Best for:
Intermediate to experienced snorkelers & divers
Best Time of Year to Snorkel & Dive in Phi Phi
SeasonConditionsNotesNov–Apr⭐ ExcellentCalm seas, clear waterMay–OctModerateMonsoon season, possible cloudy water
Tips for Snorkeling & Diving Around Phi Phi
- Choose morning tours for the clearest water
- Use reef-safe sunscreen
- Never stand on or touch coral
- Check wind & tide forecasts before your trip
- Book in advance during peak season
Conclusion: Where Is the Most Beautiful Underwater Spot in Phi Phi?
If we rank the best overall spots based on water clarity, coral quality, and underwater scenery:
- Loh Samah Bay – Best overall for snorkeling
- Pileh Lagoon – Clearest, calmest water
- Mosquito Island – Best coral & visibility
- Bida Nok – Best for scuba diving
- Nui Bay – Best for photos & peaceful snorkeling
All 10 sites offer something unique, making Phi Phi one of the most complete diving destinations in Thailand.