St Martin-by-Looe is a village in Cornwall, England.

It is situated within the PL13 postcode district, which is within the Looe post town.

PL13 is the only postcode district within the Looe post town.

The Looe post town is within the Plymouth postcode area.

Key data for St Martin-by-Looe:

Administrative Ward: Looe East

Administrative District: Cornwall

Country: England

UK Parliament: South East Cornwall

NHS Local Health Authority: South West

NHS Region: Southern

A map showing the location of St Martin-by-Looe within the PL13 postcode district