A coast is a zone or an area bordering land and sea. It is genetically classified into
- Coastlines of submergence: This is further subdivided into: Ala, Fiords, Dalmatian and Estuarine coast.
- Coastlines of Emergence — This is also subdivided into: Uplifted lowland and Emergent upland coast.
- Neutral Coastlines
- Compound Coastlines
Note: Coral Coasts are made up of mainly organic materials,