The Grand Swim
- Blwyddyn: 1970
- Gwlad:
- Genre: Documentary
- Stiwdio: Grizzly Productions Ltd, The Biome Project
- Allweddair: cayman islands, swimming, guinness world record, environmental issues, plastic pollution, environmental documentary
- Cyfarwyddwr: Mike Coggan
- Cast: Oly Rush, Chance Eaton
