Saint Martin (Guernésiais and French Saint Martin; historically Saint-Martin-de-la-Bellouse) is a parish in Guernsey, English Channel Islands. The islands lie in the English Channel between Great Britain and France.
The postal code for street addresses in this parish begins with GY4.
The old Guernésiais nickname for people from Saint Martin is dravans.
Saint Martin is located in the southeast of Guernsey. The parish borders the Forest on the southwest, Saint Andrew northwest, and Saint Peter Port on the northeast.
Saint Martin also has a very small detachment to the west. The detachment is an exclave which is not contiguous with the rest of the parish.
Saint Martin is one of the most expensive parishes in the island for property, with the average four bedroomed house costing £615,000.