Coordinates: 54°35′35″N 1°1′11″W / 54.59306°N 1.01972°W / 54.59306; -1.01972

Winkies Castle is the oldest house in Marske-by-the-Sea, North Yorkshire, England dating back to the 17th century. It was saved from being demolished by a former cobbler, Jack Anderson, in 1968 who turned it into a community museum and bequeathed it to Redcar and Cleveland Borough Council.

The house's name comes from a cat, named Winkie, who once lived there. The museum has over 6,000 articles; including a two-headed lamb who is called "Bill and Ben".

The house has rotating exhibitions.