East Loch Tarbert, Argyll is a small sea loch on the eastern side of the Kintyre Peninsula, in Argyll and Bute, west of Scotland. It is a part of the much larger Loch Fyne. The village of Tarbert is distributed along the shores of the loch. East Loch Tarbert is separated from West Loch Tarbert by an isthmus, that is only 1.5 kilometres (0.93 mi) long.