Diving activity
Explore Sri Lanka Beneath the Waves
Discover an Extraordinary Underwater World
Dive into the crystal-clear waters of the Indian Ocean and uncover the spectacular marine life that surrounds the island of Sri Lanka. From colourful coral gardens and tropical reef fish to graceful sea turtles, reef sharks, and historic shipwrecks, Sri Lanka offers unforgettable underwater adventures for every type of explorer.
Whether you’re trying scuba diving for the first time or you’re an experienced certified diver, the island’s diverse coastline provides exceptional diving and snorkeling experiences throughout the year. Each season reveals different marine environments, making Sri Lanka one of the Indian Ocean’s most rewarding underwater destinations.
Discover Sri Lanka’s Best Diving Destinations
Explore world-class dive sites where vibrant coral reefs, fascinating marine life, and underwater history come together to create unforgettable experiences.
Trincomalee & Pigeon Island National Park
Discover one of Sri Lanka’s most famous marine sanctuaries.
Snorkel or dive among colourful coral reefs, tropical fish, sea turtles, and blacktip reef sharks while exploring the protected waters surrounding Pigeon Island National Park.
This destination is perfect for both beginners and experienced divers seeking crystal-clear visibility and thriving marine biodiversity.
Mirissa
Experience unforgettable turtle snorkeling in the warm waters of Sri Lanka’s southern coast.
The calm conditions and abundant marine life make Mirissa an excellent destination for close encounters with sea turtles and vibrant reef ecosystems.
Unawatuna
Ideal for beginners and families, Unawatuna offers calm, sheltered waters that are perfect for snorkeling, introductory scuba diving, and relaxed underwater exploration.
Its shallow coral reefs provide excellent opportunities to discover Sri Lanka’s colourful marine life in a safe and enjoyable environment.
Hikkaduwa
Known as one of Sri Lanka’s premier diving destinations, Hikkaduwa features spectacular coral reefs, abundant tropical fish, and exciting shipwreck dives.
Certified divers can explore historic wrecks while encountering reef sharks, moray eels, turtles, and schools of colourful marine species.
Beruwala, Bentota & Galle
Explore an exciting collection of dive sites featuring:
- Underwater caves
- Historic shipwrecks
- Barracuda encounters
- Vibrant coral formations
- Diverse tropical marine life
These coastal destinations provide excellent opportunities for both recreational diving and underwater photography.
Kalpitiya & Bar Reef Marine Sanctuary
Visit one of Sri Lanka’s largest coral reef ecosystems at the famous Bar Reef Marine Sanctuary.
This protected marine environment is home to extraordinary biodiversity, including colourful coral gardens, tropical reef fish, dolphins, sea turtles, and numerous marine species.
Kalpitiya is a must-visit destination for nature lovers and underwater enthusiasts.
Suitable for Every Experience Level
Whether you’re discovering scuba diving for the first time or you’re an experienced diver looking for new adventures, Sri Lanka offers experiences to match every skill level.
Professional dive centres provide:
- Beginner scuba diving programs
- Certified dive courses
- Guided snorkeling tours
- Equipment rental
- Refresher dives
- Advanced diving experiences
Friendly instructors and experienced dive masters ensure every underwater adventure is safe, enjoyable, and memorable.
Safety & Professional Guidance
Your safety is always our highest priority.
All diving and snorkeling experiences are conducted by qualified professionals using internationally recognized safety standards.
Every experience includes:
- Professional dive instructors
- Comprehensive safety briefing
- High-quality diving equipment
- Certified safety procedures
- Guided underwater exploration
- Support for both beginners and experienced divers
Marine Life You May Encounter
Sri Lanka’s waters are home to an incredible variety of marine species, including:
- Sea Turtles
- Blacktip Reef Sharks
- Tropical Reef Fish
- Colourful Coral Gardens
- Barracuda
- Moray Eels
- Rays
- Octopus
- Reef Lobsters
- Dolphins (seasonal)
- Whale Sharks (seasonal)
- Blue Whales (seasonal)
Every dive offers a unique opportunity to experience the richness of the Indian Ocean.
Best Time to Dive
East Coast (Trincomalee & Pigeon Island)
May – October
- Calm seas
- Excellent visibility
- Ideal snorkeling and diving conditions
South & West Coast
November – April
Perfect conditions for:
- Hikkaduwa
- Unawatuna
- Bentota
- Beruwala
- Galle
- Mirissa
Sri Lanka’s two monsoon seasons allow visitors to enjoy outstanding diving opportunities somewhere on the island throughout the year.
Perfect For
This experience is ideal for:
- Beginner Divers
- Certified Divers
- Snorkeling Enthusiasts
- Couples
- Families
- Adventure Travelers
- Nature Lovers
- Marine Wildlife Enthusiasts
- Underwater Photographers
- Solo Travelers
Why Choose Diving in Sri Lanka?
Sri Lanka combines tropical marine biodiversity, excellent visibility, diverse dive sites, and warm waters with the convenience of short travel distances between destinations.
In a single holiday, you can:
- Dive vibrant coral reefs
- Explore fascinating shipwrecks
- Swim with sea turtles
- Encounter reef sharks
- Visit protected marine parks
- Snorkel in crystal-clear lagoons
- Relax on beautiful tropical beaches
Few destinations offer such diversity within one island.
Why Travel with Arctic Tern Travels?
At Arctic Tern Travels, we partner with trusted local dive operators and certified instructors to provide safe, high-quality marine experiences for every traveler.
Whether you’re taking your very first dive or searching for world-class underwater adventures, we’ll help you discover the very best of Sri Lanka’s remarkable marine environment while promoting responsible and sustainable ocean tourism.
Begin Your Underwater Adventure
Swim through vibrant coral reefs.
Explore historic shipwrecks.
Encounter magnificent marine life.
Experience the incredible beauty hidden beneath the Indian Ocean.
Discover Sri Lanka beneath the waves with Arctic Tern Travels and create unforgettable underwater memories that will last a lifetime.
