Post Office – Isle Of Islay, Port Ellen – Opening Hours & Branch Details Post Office is directly at 66 Frederick Street, about a 7.36 mile distance south of the centre of Isle Of Islay (near to Port Ellen and Port Ellen Business Park). This branch is an excellent addition to the local businesses of Lagavulin, Kintra, Laphroaig, Kintour, Port Ellen and Ardbeg. If you would like to swing by today (Friday), its open hours are 9:00 am to 5:30 pm. Read the specifics on this page for Post Office Isle Of Islay, Port Ellen, including the hours of business, local directions, direct telephone and more.