Coral gardens and deep pinnacles in a marine park a boat ride off Hoi An

Country
Diving in Vietnam
6 dive destinations in Vietnam, up to 830 km apart. Water temperature across them runs 22–31 °C. All 6 are in season in May. 17 named dive sites have their own pages.
Côn Đảo · photo Tycho
- Destinations
- 6
- Dive sites
- 17
- Water
- 22–31°C
- Most in season
- May
RegionSoutheast Asia
Where are the dive destinations in Vietnam?
- 1Cham Islands & Hoi AnJun–Aug
- 2Quy Nhơn & Hòn KhôMar–Sep
- 3Whale Island & Van Phong BayApr–Sep
- 4Nha TrangFeb–May
- 5Phú QuốcDec–Apr
- 6Côn ĐảoJun–Aug
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 | Cham Islands & Hoi An | Jun–Aug | 24–29°C | 10–25 m | 18–30 m | Intermediate | Day boat | 2 |
| 2 | Quy Nhơn & Hòn Khô | Mar–Sep | 22–31°C | — | 6–16 m | Beginnersites from beginner to advanced | Day boat | 3 |
| 3 | Whale Island & Van Phong Bay | Apr–Sep | 25–29°C | — | to 35 m | Beginnersites from beginner to advanced | Day boat, Shore | 3 |
| 4 | Nha Trang | Feb–May | 24–30°C | 8–25 m | 5–25 m | Beginnersites from beginner to intermediate | Shore, Day boat | 2 |
| 5 | Phú Quốc | Dec–Apr | 28–31°C | 5–20 m | 5–25 m | Beginnersites from beginner to intermediate | Day boat | 3 |
| 6 | Côn Đảo | Jun–Aug | 26–29°C | 8–20 m | 5–25 m | Beginnersites from beginner to intermediate | Day boat, Shore | 4 |
When is the best time to dive Vietnam?
The most destinations are rated good or prime at the same time in May: 6 of 6. Each row is one destination's own season rating.
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1Cham Islands & Hoi An | Off-season | Fair | Fair | Fair | Good | Prime | Prime | Prime | Fair | Off-season | Off-season | Off-season |
| 2Quy Nhơn & Hòn Khô | Off-season | Fair | Prime | Prime | Prime | Prime | Prime | Prime | Prime | Fair | Off-season | Off-season |
| 3Whale Island & Van Phong Bay | Fair | Fair | Good | Prime | Prime | Prime | Prime | Prime | Prime | Fair | Fair | Fair |
| 4Nha Trang | Good | Prime | Prime | Prime | Prime | Good | Good | Good | Good | Fair | Off-season | Off-season |
| 5Phú Quốc | Prime | Prime | Prime | Prime | Good | Fair | Off-season | Off-season | Off-season | Good | Good | Prime |
| 6Côn Đảo | Off-season | Fair | Fair | Good | Good | Prime | Prime | Prime | Good | Fair | Off-season | Off-season |
| Good or prime | 2 | 2 | 4 | 5 | 6 | 5 | 5 | 5 | 4 | 1 | 1 | 1 |
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.
174 km end to end
In season together: Mar–Sep
All 6 destinations in Vietnam
Southeast Asia
Quy Nhơn & Hòn Khô
Vietnam
Short boat hops to rocky islands and reef walls off Nhơn Hải
Southeast Asia
Whale Island & Van Phong Bay
Vietnam
Whale sharks and whales feeding in Van Phong Bay from April to June
High nudibranch diversity in granite boulder fields off the Vietnamese coast
Shallow boulder reefs and sand macro in Vietnam's south-western gulf
One of Vietnam's last dugong refuges with protected turtle nesting beaches


