We track 62 dive operators in Trincomalee. 36 teach certification courses (44 PADI, 1 CMAS). 37 run snorkelling trips. 6 offer accommodation alongside diving. The biggest cluster is around Trincomalee, with 12. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 62. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | International Diving School | 4.9(86) | none | $75 | PADI · CMAS | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 62 dive operators in Trincomalee, with the biggest cluster around Trincomalee. 36 of them run certification courses.
PADI is the most common agency (44 centres), followed by CMAS (1).
Published discovery dive prices we hold range from $55 to $100 USD. Treat these as a guide and confirm with the centre before booking.
6 operators in Trincomalee offer accommodation alongside diving.
37 of the 62 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
International Diving School is a family-run operation that provides scuba diving and snorkeling experiences. They offer PADI certified training courses and guided diving trips for all skill levels.

Pearl Divers is a PADI Dive Center located in Unawatuna, offering various diving activities and PADI certification courses. They provide guided dives to local reefs and wrecks, as well as equipment rental. The center is situated on Matara Road, easily accessible for divers visiting the area.
Pearl Divers PADI Dive Center Trincomalee is located at the Seaway Hotel, 10th Mile Post, Nilaveli. They are a PADI dive center offering various diving services.

DIVINGURU Unawatuna is a PADI 5 Star IDC Dive Resort offering a comprehensive range of diving services, including PADI courses up to instructor level, guided dives, and equipment rental. They are located in Unawatuna, a popular coastal town known for its dive sites. The center aims to provide high-quality dive training and experiences.
Diving Mirissa PADI Dive Center is a PADI-certified dive center located in Mirissa, Sri Lanka. They offer a variety of diving services, including courses, guided dives, and equipment rental. The center is situated in a popular tourist area known for its marine life.

Sun Diving Sri Lanka is a PADI 5-Star Dive Resort located in Unawatuna, offering a range of diving and snorkeling services. They provide PADI courses, guided dives, and equipment rental. The resort is situated near popular dive sites in the southern region of Sri Lanka.
Dive in Mirissa is a diving center located on the southern coast of Sri Lanka. The operator offers scuba diving, snorkeling tours, and PADI certification courses.
Divers Land Dive Club Unawatuna is a dive center offering diving excursions and PADI courses. Located in Unawatuna, they provide access to the underwater attractions of the southern coast of Sri Lanka. The club focuses on providing a safe and enjoyable diving experience for all levels.
Original Mirissa Dive Center is a dive operation in Mirissa, Sri Lanka, offering diving and snorkeling services. They are located on Athkam Niwasa Road and provide access to the marine environments around Mirissa.
International Diving School is a PADI 5 Star Dive Resort located in Hikkaduwa, offering a full range of PADI courses, guided dives, and equipment rental. They are situated within the Coral Sands Hotel, providing convenient access for guests. The school is known for its experienced instructors and diverse dive sites.
| 2 | 4.8(831) | none | $60 | PADI | Visit |
| 3 | Pearl Divers | 4.9(639) | none | none | PADI | Visit |
| 4 | 4.9(565) | 4.7 | $60 | PADI | Visit |
| 5 | Diving Mirissa | 5.0(489) | 5.0 | none | PADI | Visit |
| 6 | 4.8(362) | none | $60 | PADI | Visit |
| 7 | Dive in Mirissa | 5.0(338) | none | none | PADI | Visit |
| 8 | Divers Land Dive Club | 4.9(269) | 4.9 | $60 | PADI | Visit |
