| Geoform Origin | Geologic |
| Geoform | Flat |
| Geoform Type | Barrier Flat |
| Definition | A relatively flat, low-lying area that is separating the exposed (or seaward) edge of a barrier beach or barrier island from the lagoon behind it. Barrier flats commonly include pools of water, and may be barren or vegetated. These flats are an assemblage of both deflation flats left behind migrating dunes and/or storm washover sediments. |