Best Diving & Snorkeling in Krabi
Krabi is a paradise for snorkeling enthusiasts and island hoppers, with some of Thailand's most stunning island groups within easy reach. The famous 4 Islands, 7 Islands, Hong Islands, and Phi Phi archipelago offer crystal-clear waters teeming with colorful fish, coral reefs, and dramatic limestone karst scenery.
Diving & Snorkeling in Krabi
Krabi is a paradise for snorkeling enthusiasts and island hoppers, with some of Thailand's most stunning island groups within easy reach. The famous 4 Islands, 7 Islands, Hong Islands, and Phi Phi archipelago offer crystal-clear waters teeming with colorful fish, coral reefs, and dramatic limestone karst scenery. Choose from budget-friendly longtail boat tours or faster speedboat trips, with options ranging from half-day snorkeling to full-day island hopping adventures. Many tours include stunning sunset experiences, bioluminescent plankton swimming, and beach time at secluded coves.
Top 10 Activities in Krabi
4-Island Day Trip by Longtail Boat with Lunch
Hong Islands Day Trip by Speedboat with Lunch
7 Islands Sunset Tour with Buffet Dinner & Snorkeling
Phi Phi Early Bird & 4 Islands by Speedboat
7 Island Tour by Luxury Longtail Boat with Snorkeling
Island Hopping Tour by Private Longtail Boat
4 Islands Day Trip by Longtail Boat or Speedboat
7 Islands Sunset Tour with Plankton Swim and BBQ
Phi Phi Islands Speedboat Tour with Buffet Lunch
Phi Phi & 4 Islands Sunset Tour by Speed Catamaran
Tips for Diving & Snorkeling in Krabi
- Longtail boats are cheaper and more authentic; speedboats are faster and reach more islands
- The 7 Islands Sunset Tour includes bioluminescent plankton swimming — a magical experience
- Hong Islands are less crowded than Phi Phi and offer excellent snorkeling
- Peak snorkeling season is November to April with the calmest seas and best visibility
- Most tours include hotel pickup from Ao Nang and Krabi Town — no extra transport needed
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Frequently Asked Questions
How much does diving or snorkeling cost in Krabi?
Diving and snorkeling tours in Krabi range from EUR20 to EUR100 per person. Snorkeling tours are typically more affordable, while scuba diving experiences cost more due to equipment and instruction.
Do I need certification to go scuba diving in Krabi?
No! "Discover scuba" or "try dive" programs are designed for complete beginners with no certification required. Professional instructors guide you through everything. If you want to get certified, multi-day PADI courses are also available.
When is the best time for diving and snorkeling in Krabi?
The best season is November to April, when seas are calm and visibility is excellent (20-30+ meters). Some sites like the Similan Islands are only open November to May. The monsoon season (June-October) has rougher seas and reduced visibility.
What should I bring on a diving or snorkeling trip?
Most tours provide all equipment (masks, fins, snorkels, dive gear). Bring sunscreen (reef-safe preferred), a towel, swimwear, a waterproof phone case for photos, and motion sickness medication if needed. Underwater cameras can be rented on many tours.