Open water swimming at the 2025 SEA Games
| Open water swimming at the 2025 SEA Games | |
|---|---|
| Venue | Jomtien Beach Samae Beach, Ko Lan |
| Location | Chonburi, Thailand |
| Dates | 18-20 December 2025 |
| Competitors | 29 from 6 nations |
Open water swimming competitions at the 2025 SEA Games took place at Jomtien Beach and Samae Beach in Chonburi, Thailand from 18 to 20 December 2025. Medals were awarded in 3 events.