The Mermaid Stakes was an American Thoroughbred horse race run annually at Sheepshead Bay Race Track in Sheepshead Bay, Brooklyn. An important event for three-year-old fillies, the race was run on dirt over a distance of one mile and one furlong.During the twenty-four years the race was held, it was won by eight Champions of which four would be elected to the National Museum of Racing and Hall of Fame.First run in 1880, there was no race from 1895 through 1901.