Seeki.eu lists 150+ properties for sale and 150+ to rent in São Martinho.
The median asking price is €710,000, or €4,505 per m² on a typical 170 m², across sale listings that publish both a price and a floor area.
On the rental side, the median asking rent for an apartment is €1,900 a month, across apartment rentals that publish both a price and a floor area.