- Cem Karabay
- 30:20 hour(s):minute(s):second(s)
- Turkey (Çanakkale Gökçeada)
The longest open saltwater scuba dive in cold water is 30 hr and 20 min and was achieved by Cem Karabay (Turkey) in Çanakkale Gökçeada, Turkey, on 24 April 2018.
Cem Karabay gained an extra 10 kg for this record attempt.