Romney Island is an island in the River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 in England connected to Romney Lock

Romney Lock

Romney Lock is a lock on the River Thames in England near Windsor and Eton. It is on the Windsor side of the river next to a boatyard and adjoins Romney Island, a long strip of land in the middle of the river. The first lock was built by the Thames Navigation Commission in 1798.The weir is some...

, at Windsor

Windsor, Berkshire

Windsor is an affluent suburban town and unparished area in the Royal Borough of Windsor and Maidenhead in Berkshire, England. It is widely known as the site of Windsor Castle, one of the official residences of the British Royal Family....

, Berkshire

Berkshire

Berkshire is a historic county in the South of England. It is also often referred to as the Royal County of Berkshire because of the presence of the royal residence of Windsor Castle in the county; this usage, which dates to the 19th century at least, was recognised by the Queen in 1957, and...

. It is a long thin island with trees and scrub, with the upstream end in Windsor and the downstream end almost at Black Potts.

The island has always been a popular place for angling and Isaak Walton used to fish from here. The island separates the weir stream from the navigation channel to the lock. There are proposals to build a hydro scheme at the weir here. They appeared to have been abandoned in February 2008 but a revised proposal was put forward in May 2008.).