Many large houses surround the historic center and line the riverside. The oldest is the House of General Pueyrredón, built in 1790 by Juan Martín de Pueyrredón and expanded by his son Prilidiano Pueyrredón.
Many large residences encircle the historic district and line the waterfront. The oldest is the House of General Pueyrredón, constructed in 1790 by Juan Martín de Pueyrredón and enlarged by his son Prilidiano Pueyrredón.