In total, 19 shingle, strandline and sand-dune communities have been identified.
The shingle, strandline and sand-dune communities consist of a single community found on coastal shingle (SD1), two communities associated with strandlines (SD2 and SD3), and sixteen sand-dune communities.
The sand-dune communities fall into the following four groups:
There are a number of other communities which occur on sand-dunes, but are not classified as sand-dune communities within the NVC. Those listed in British Plant Communities are as follows: