| Caloosahatchee Formation | |
| Type: | Formation |
| Age: | Pleistocene |
| Prilithology: | Limestone, sand |
| Otherlithology: | phosphate |
| Namedfor: | Caloosahatchee River |
| Underlies: | Bermont Formation |
| Overlies: | Tamiami Formation |
The Caloosahatchee Formation is a geologic formation in Florida. It preserves fossils dating back to the Pleistocene.