Behind the beach umbrellas sits a city of 1920s chalets, a MAR contemporary art museum on the shoreline, and the villa where Victoria Ocampo hosted Tagore and Camus. Add a wood-carved bar, a Torres García mural and three summer theatre seasons.
Provincial contemporary art museum opened 2013 in a white concrete block by Monoblock architects, with Marta Minujín's giant resin sea lions out front. Rotating shows from the Buenos Aires provincial collection. Open Thu–Sun 12:00–19:00 in low season, daily in January.
A 1909 Belgian-picturesque mansion whose interiors keep original Art Nouveau furniture by Gustave Serrurier-Bovy — the only complete set in Argentina. Upstairs holds Castagnino canvases and Minujín works. Tue–Sun 13:00–19:00.
The 1930s–40s neighbourhood of stone-and-timber Mar del Plata style chalets, named after a house built from tree trunks. Roughly 25 blocks of gabled roofs, quartzite walls from Batán quarries and hedged gardens between Alvear, Matheu and Roca.
Neo-Gothic cathedral finished 1905 on Plaza San Martín, with Belgian stained glass, a Bavarian-made high altar and a chandelier said to come from the 1889 Paris Exposition. Free entry; open through the afternoon until evening mass.
Built 1935 inside the old casino complex, this is the hub of Mar del Plata's summer theatre season and home to the Orquesta Sinfónica Municipal. Three halls including the 1.100-seat Sala Astor Piazzolla; box office opens mid-morning for same-day seats.
Ground-floor bookshop-café inside the Bustillo rambla arcade, stocking Argentine fiction and local-history titles alongside coffee under the vaulted colonnade. A standing stop for the theatre crowd between matinée and evening shows.
Av. Colón 1114 houses Benjamín Sisterna's collection of some 30.000 seashells from around the world across four levels, plus a shark tank, aquarium and rooftop terrace. Open daily; the building itself is a converted 1990s industrial shell with a glass atrium.
The 1920s Italianate theatre on Hipólito Yrigoyen hosts the Festival Internacional de Cine de Mar del Plata each November — Latin America's only A-category film festival — and drama the rest of the year. Horseshoe balconies and original plasterwork intact.
The 1904 mock-medieval Torreón built by Ernesto Tornquist sits on a headland above Playa Chica, with the Bruzzone family villa nearby. The stone tower and its bridge over Boulevard Marítimo are the city's most photographed civic folly.
Mar del Plata keeps a tradition of carved wood interiors from Spanish and Italian immigrant craftsmen; the ramble-side bars and the Cervecería Antares taproom on Córdoba show dark-timber panelling, hand-turned columns and etched glass from the 1930s and 40s.
Housed in the Banquina de Pescadores, this small port museum documents the Italian fishing families from Sicily and Campania who founded the port, with restored lanchas amarillas hulls, nets, photographs and oral-history recordings.
The city's long-running artisan market fills Plaza Rocha with leatherwork, mate gourds, silver and woodcarving stalls; weekends draw the biggest turnout and the plaza doubles as a stage for street tango and murga groups in summer.