Plaza del Mercado de Ponce (English: Ponce Market Plaza) or, formally, Plaza del Mercado Isabel Segunda (often abbreviated as Plaza del Mercado Isabel II), is a historic marketplace building in Ponce, Puerto Rico. It was inaugurated in 1863 by Ponce Mayor Don Luis de Quixano. Designed by famed engineer Timoteo Luberza, it occupies a city block in the Ponce Historic Zone at the grid formed by Calle Atocha, Estrella, Leon, and Castillo streets. It has room for 65 kiosks. It was originally called Plaza del Capá.