Seeki.eu lists 85+ properties for sale and 6+ to rent in Mértola.
The median asking price is €180,000, or €1,425 per m² on a typical 133 m², across sale listings that publish both a price and a floor area.
On the rental side, the median asking rent for a house is €1,100 a month, across house rentals that publish both a price and a floor area.