The Quoile Yacht Club was founded in Downpatrick at the Quoile Quay, on the then tidal Quoile River, in 1958. When, in 1962, the Ministry of Agriculture built a barrier at Castle Island, to alleviate the regular damaging flooding to which Downpatrick was subjected in times of high tide and heavy rain, they agreed to relocate the club to the seaward side of the barrier. The site was excavated and levelled, and a slipway provided. Thus the Club was reborn on its present site, with sheltered deepwater moorings, space for caravans, clubhouse and parking. After 40 years of investment and improvement the Quoile can boast the best facilities on Strangford Lough.