Sauce de Portezuelo is a resort (balneario) in the Maldonado Department of Uruguay.

The resort is located on the coast of Río de la Plata, about 6 kilometres (3.7 mi) west of Punta Ballena and 7 kilometres (4.3 mi) (by road) east of the resort Punta Negra.

Ruta Interbalnearia, also marked as Route 93 for this area, separates it from the later.

Portezuelo was the location chosen by Spanish architect and designer Antoni Bonet i Castellana to build one of his most famous buildings, Solana del Mar.

[2] In 2011 Sauce de Portezuelo had a population of 128 permanent inhabitants and 173 dwellings.