Mar del Plata rewards the traveller with empty pockets: 47 km of public beach, a free-entry municipal aquarium of cliffs at Cabo Corrientes, and barrio parrillas where a milanesa napolitana feeds two. Come outside January and prices halve overnight.
A sheltered cove between rock headlands, free and never roped off by balnearios. Walk south along the coastal path to the Cabo Corrientes cliffs where fishermen cast from the rocks at dawn. Public access year-round, no ticket, no chair rental needed.
A 1909 Belgian-Norman villa holding Argentina's largest Alfredo Palacios and Castagnino collections, plus the Lola Mora marble figures. Municipal museum with symbolic entry, free on Wednesdays. Open Thursday to Monday, roughly 12:00 to 19:00 in season.
Neo-Gothic cathedral on the main plaza with a Bohemian crystal chandelier from the 1889 Paris Exposition and French stained glass. Entry is free during opening hours; the plaza outside hosts an artisans' fair most afternoons with no admission charge.
A 1943 Tudor-style water tower 88 m above sea level on Loma Stella Maris. The municipal observation gallery is free — a lift plus a short stair reaches a 360-degree view over the port, the rambla and the cliffs. Weekday mornings and late afternoons only.
The city's flea and antiques market spreads across Plaza Rocha on weekends — vinyl, mate gourds, old Casino chips and second-hand books. Browsing costs nothing and the surrounding stalls sell empanadas and churros for a fraction of rambla prices.
A covered municipal market of produce, cheese and cured-meat stalls with cheap comedores at the back serving daily menús. Fish from the port arrives here first, so a plate of grilled merluza costs a third of what the port restaurants ask.
A local ice-cream institution since 1974 with dulce de leche granizado and sambayón made in-house. A quarter-kilo tub feeds two people and costs well under a single dessert on the rambla. Open late, queues longest around 18:00.
Away from the tourist strip, neighbourhood parrillas near La Perla beach serve milanesa napolitana con papas that two people can share, plus house wine by the jug. Look for the blackboard menú del día rather than the printed carta.
A coastal reserve of dunes and shorebirds behind the port's south breakwater, reachable on a city bus with the SUBE card. Free access, marked trails through the albufera, and cormorant colonies on the rocks. Wear closed shoes, the sand paths are rough.
A 160-hectare municipal park north of the centre with eucalyptus groves, free public grills, a stream and rugby pitches. Locals bring their own meat and mate; there is no entry fee and the beach at its eastern edge is among the quietest in the city.
Twenty km inland, a lagoon reserve with hiking trails, the 1746 Jesuit reduction chapel replica and the Museo Municipal José Hernández. Reached by colectivo 717 from the terminal; entry to the reserve grounds is free and camping is cheap.
The black-and-white striped 1891 lighthouse sits in a pine grove above the southern beaches. The surrounding road and coastal walk are free, and the rocks below Punta Mogotes give the best sunset angle back along the whole 47 km of coastline.