Budget
Midrange
Hotel Patio Del Mar
San luis 1362. 223 495-6660. (http://www.patiodelmar.com.ar/) basic two-star, four blocks from the beach.
Hotel Selent
Arenales 2347. 223 494-0878 (http://www.hotelselent.com.ar/) offers quiet rooms three blocks off the beach behind the casino. the trade off is no exterior windows. nice lobby, friendly bi-lingual staff. wifi in the lobby. single ar$94, double $134, apartments starting around $300. breakfast included.
Hotel Denver
Arenales 2477. 223 494-1618 (http://www.hoteldenver.com.ar/). three-star hotel with mid-range prices has a gym, a stylish lobby, wifi and breakfast. often booked during the high season, so call ahead.
Top end
Hotel Dora
A faded four star with gym, pool, spa, some rooms with views, just off the beach. Some bilingual staff. Triple AR$320.
Sheraton Mar del Plata Hotel
One of two modern 5 star in town, or, on the edge as it's located behind the port 4 km from the casino beaches. Nice view towards the famous Golf Club and the Port. This hotel was home to George W Bush during his visit to the city in 2006. Indoor spa AR$40 extra charge, 16 and up age limit strictly inforced, large outside swimming pool, 2 restaurants and extensive conference rooms. Some services not available outside of high season Jan-March 1, Easter week.