We track 62 dive operators in Nilaveli. 39 teach certification courses (45 PADI, 1 CMAS). 40 run snorkelling trips. 5 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
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 62 dive operators in Nilaveli, with the biggest cluster around Trincomalee. 39 of them run certification courses.
PADI is the most common agency (45 centres), followed by CMAS (1).
Published try-dive prices we hold range from $55 to $100 USD. Treat these as a guide and confirm with the centre before booking.
5 operators in Nilaveli offer accommodation alongside diving.
40 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.

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.
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.
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.
Negombo Diving Centre is a Sri Lankan owned and operated dive school based in Negombo and Trincomalee. The center offers PADI courses, guided dives, and snorkeling trips. They also provide whale and dolphin watching excursions.

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.
Poseidon Diving Centre Hikkaduwa is a PADI 5 Star IDC Dive Centre offering a comprehensive array of diving services, including PADI courses, guided dives, and equipment rental. They are located in Hikkaduwa, a popular destination for divers in Sri Lanka. The center is dedicated to providing professional and enjoyable diving experiences.
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.

Blue Water Sports Trincomalee is a PADI Dive Center located on Dyke Street in Trincomalee. They offer a range of diving and watersports activities.
Sea Horse Divers is a PADI Resort located in Unawatuna, offering a range of diving activities and PADI certification courses. They provide guided dives to explore the local marine life and shipwrecks. The center is committed to providing safe and memorable diving experiences.
| 2 | International Diving School | 4.9(86) | none | $75 | PADI · CMAS | Visit |
| 3 | 4.8(168) | 5.0 | $60 | PADI | Visit |
| 4 | International Diving School | 4.7(105) | 4.5 | $55 | PADI | Visit |
| 5 | Negombo Diving Centre | 4.5(65) | none | $100 | PADI | Visit |
| 6 | 4.8(109) | 5.0 | $60 | PADI | Visit |
| 7 | Poseidon Diving Centre Hikkaduwa | 4.7(105) | 4.5 | $55 | PADI | Visit |
| 8 | Pearl Divers | 4.5(2) | none | none | PADI | Visit |
