Longniddry is primarily a dormitory village for commuters to Edinburgh, with good transport links by road and rail (Longniddry railway station is on the North Berwick Line) to the capital. The village has a number of local, community based resources including local shops and Longniddry Community Centre, which also houses the library. Like many coastal towns in East Lothian, Longniddry has a sandy beach beside the golf course. This stretch of local coastline lined with dunes and is known as Longniddry Bents.
John Knox, main figure in the Scottish Reformation and disciple of John Calvin spent significant time in Longniddry as tutor to the sons of the Douglas family who lived at the west side of the village.
Hugh MacDiarmid, the Scottish poet, is alleged to have lived in Longniddry for a short while.
James Bond actor Pierce Brosnan lived in Longniddry from August 1964 with his mother and new stepfather William Carmichael before moving to London.
Author Mollie Hunter, winner of the 1974 Carnegie Medal for outstanding books for children.