Coral gardens, a sunken aircraft carrier, and sperm whale superpods

Country
Diving in Sri Lanka
4 dive destinations in Sri Lanka, up to 300 km apart. Water temperature across them runs 26–31 °C. All 4 are in season in Nov–Apr. 20 named dive sites have their own pages.
Unawatuna & Jungle Beach · photo tmc1233
- Destinations
- 4
- Dive sites
- 20
- Water
- 26–31°C
- Most in season
- Nov–Apr
RegionIndian Ocean
Where are the dive destinations in Sri Lanka?
- 1Trincomalee & KalpitiyaApr–Aug
- 2HikkaduwaOct–Apr
- 3Unawatuna & Jungle BeachJan–Mar
- 4Weligama & MirissaDec–Mar
Numbers match the table below. Land outline: Natural Earth (public domain).
How do they compare?
| # | Destination | Best months | Water | Visibility | Depth | Level | Access | Sites |
|---|---|---|---|---|---|---|---|---|
| 1 | Trincomalee & Kalpitiya | Apr–Aug | 27–30°C | 10–30 m | 5–40 m | Intermediatesites from intermediate to advanced | Shore, Day boat | 3 |
| 2 | Hikkaduwa | Oct–Apr | 26–31°C | — | 14–24 m | Intermediatesites from intermediate to advanced | Day boat | 4 |
| 3 | Unawatuna & Jungle Beach | Jan–Mar | 28–30°C | 5–30 m | 6–18 m | Intermediatesites from beginner to advanced | Day boat | 8 |
| 4 | Weligama & Mirissa | Dec–Mar | 27–31°C | — | 6–24 m | Intermediatesites from beginner to advanced | Day boat | 5 |
When is the best time to dive Sri Lanka?
The most destinations are rated good or prime at the same time in Nov–Apr: 4 of 4. Each row is one destination's own season rating.
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1Trincomalee & Kalpitiya | Good | Good | Good | Prime | Prime | Prime | Prime | Prime | Good | Fair | Good | Good |
| 2Hikkaduwa | Prime | Prime | Prime | Prime | Fair | Off-season | Off-season | Off-season | Off-season | Prime | Prime | Prime |
| 3Unawatuna & Jungle Beach | Prime | Prime | Prime | Good | Fair | Fair | Fair | Fair | Fair | Good | Good | Good |
| 4Weligama & Mirissa | Prime | Prime | Prime | Good | Off-season | Off-season | Off-season | Fair | Fair | Fair | Good | Prime |
| Good or prime | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 4 |
Which destinations combine into one trip?
Destinations that fit within 200 km of each other end to end and share at least one month rated good or prime. Distances are straight lines between destinations, not travel routes.
42 km end to end
In season together: Nov–Apr
All 4 destinations in Sri Lanka
Indian Ocean
Hikkaduwa
Sri Lanka
An early oil tanker and a deep rock pinnacle a short boat ride out
Historic wrecks on the approaches to Galle Harbour
Nudibranch-rich rock pinnacles a short boat ride off the south coast

