The Last Reef: Cities Beneath the Sea
- År: 2012
- Land: Bahamas, Canada, French Polynesia, Mexico, Palau, United States of America
- Genre: Dokumentär
- Studio: Yes/No Productions, Liquid Pictures, Giant Screen Films
- Nyckelord: ocean, underwater, reef
- Direktör: Luke Cresswell, Steve McNicholas
- Kasta: Jamie Lee