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Marriott Buenos Aires Downtown is a 5-star, full-service hotel in the Microcentro/San Nicolás area, overlooking Avenida 9 de Julio and steps from the Obelisco. Its strongest features are the central Theater District location, Nivel 23 Club & Spa, heated indoor pool, 24-hour gym and multiple dining venues.
Bookable with Marriott Bonvoy points. Award pricing varies by date and category, so we link straight to the official Marriott Bonvoy award chart for current rates rather than publishing a number that can go stale. Cash rates below are our own observed rack rates, not what the program charges in points.
“Marriott Buenos Aires Downtown is a 5-star, full-service hotel in the Microcentro/San Nicolás area, overlooking Avenida 9 de Julio and steps from the Obelisco. Its strongest features are the central Theater District location, Nivel 23 Club & Spa, heated indoor pool, 24-hour gym and multiple dining venues.”
Co-brand cards earn Marriott Bonvoy points directly; the rest move points in from bank programs at the ratios and transfer times shown. Award pricing itself lives with the official Marriott Bonvoy tools above.

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Marriott Buenos Aires Downtown is a 5-star, full-service Marriott at Carlos Pellegrini 551 in the Microcentro/San Nicolás area, directly overlooking Avenida 9 de Julio. The location places guests about a block from the Obelisco, within a short walk of Teatro Colón, and close to Florida Street, Galerías Pacífico and downtown business addresses. The property is a modern high-rise with interiors described by Marriott as sophisticated and tasteful, and third-party listings note a 2019 remodel. It works especially well for travelers who want the convenience of El Centro and the Theater District, with metro and bus access nearby and Retiro transport terminals also within reach. A major differentiator is Nivel 23 Club & Spa, the hotel’s upper-floor wellness area. Facilities include a heated indoor pool, spa treatments by appointment, sauna, steam room, relaxation space and a 24-hour fitness center with cardio and strength equipment. Dining is broader than at a basic business hotel, with La Luciérnaga for buffet breakfast and local/international cuisine, Tomo 1 as an additional restaurant, Celtic Bar, and café or poolside options referenced in public listings. The hotel also offers concierge service, meeting rooms, a business center, multilingual staff and paid parking.
The entry-level room category is intended for guests who want the hotel’s central location and standard full-service amenities. Public listings indicate king or double-bed configurations are commonly available.
Queen and double room variants suit couples, solo travelers or small families who want straightforward downtown accommodations. These rooms typically include the same core in-room amenities as the broader room inventory.
Deluxe Rooms are positioned as a step above standard accommodations, with some listings suggesting better views or higher-floor placement. They are a practical choice for guests who want a little more of the city-hotel experience without moving into a suite.
Suites provide more space than standard rooms and are described in Marriott materials as offering notable city views. Public information supports suite-style layouts with separate living space, though exact sizes and names should be confirmed when booking.
La Luciérnaga is the hotel’s main restaurant and breakfast venue, with buffet breakfast and local and international dishes referenced in public listings.
Tomo 1 is listed as an on-site restaurant at the hotel. Current public materials identify it as a dining option, though detailed menus and operating hours should be confirmed directly with the property.
Celtic Bar is the hotel’s listed bar, offering a more casual setting for drinks and light fare within the property.
Public listings also reference a coffee shop/café, terrace and poolside bar, giving guests additional places for drinks or snacks beyond the main restaurants.
Spring and fall offer mild temperatures around 15–22°C with lower humidity, fewer crowds, and comfortable weather for sightseeing, tango, festivals, and outdoor activities.
Summer months are hot and humid, with average highs near or above 29–30°C, making urban touring uncomfortable and coinciding with busier peak-season travel conditions.
Tours and activities via Viator. Prices shown are live from Viator at page load. We may earn a commission if you book. Hotel-booking commission policy unchanged.
Central Microcentro/San Nicolás location in Buenos Aires’ downtown and Theater District, overlooking Avenida 9 de Julio.
Cash rates are re-checked on a schedule; live award pricing comes straight from the program rather than a number we publish here. See methodology.