{{Use dmy dates, date=April 2022
The Ruffian 23 is a 23-foot
keelboat
A keelboat is a riverine cargo-capable working boat, or a small- to mid-sized recreational sailing yacht. The boats in the first category have shallow structural keels, and are nearly flat-bottomed and often used leeboards if forced in open w ...
designed by Billy Brown in
Portaferry
Portaferry () is a small town in County Down, Northern Ireland, at the southern end of the Ards Peninsula, near the Narrows at the entrance to Strangford Lough. It is home to the Exploris aquarium and is well known for the annual Gala Week Fl ...
in the early 1970s.
Over 200 yachts were built during the 1970s and early 1980s by 'Weatherly Yachts', a company established by Billy Brown and his brother 'Dickie', initially in Portaferry, and later in Dublin and then in Baltimore Co. Cork.
Fleets exist racing today in
Dublin Bay
Dublin Bay () is a C-shaped inlet of the Irish Sea on the east coast of Ireland. The bay is about 10 kilometres wide along its north–south base, and 7 km in length to its apex at the centre of the city of Dublin; stretching from Howth He ...
,
Carrickfergus
Carrickfergus ( , meaning " Fergus' rock") is a large town in County Antrim, Northern Ireland. It sits on the north shore of Belfast Lough, from Belfast. The town had a population of 28,141 at the 2021 census. It is County Antrim's oldest t ...
,
Hong Kong
Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...
,
Clew Bay
Clew Bay (; ) is a large ocean bay on the Atlantic coast of County Mayo, Ireland. It is roughly rectangular and has more than a hundred small islands on its landward side; Ireland's best example of sunken drumlins. The larger Clare Island guar ...
and
Wicklow
Wicklow ( ; , meaning 'church of the toothless one'; ) is the county town of County Wicklow in Republic of Ireland, Ireland. It is located on the east of Ireland, south of Dublin. According to the 2022 census of Ireland, 2022 census, it had ...