What's Nuevo in Buenos Aires

FIVE COOL ROOMS

'Hood: Palermo Soho, a subsection of Palermo (B.A.'s trendiest barrio) near Plaza Serrano, where there are new restaurants and boutiques on every corner.

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First impression: Since its debut in March 2005, Five Cool Rooms has attracted a young, international crowd. Guests hang out around the chimenea (fireplace) in the central courtyard or on the roof terrace. Polished concrete, rattan furniture, and bamboo plants give public spaces a Zen feel.

The rooms: The 16 rooms are labeled small, medium, and large. Medium rooms have balconies facing the street. The two large rooms--one of which has its own hot tub--overlook a quieter rear courtyard with a hammock.

Plus: In addition to all the outdoor seating areas, there's a sleek modern living room furnished with chocolate-colored faux leather couches and a big-screen TV. Guests can help themselves to free Argentine wine.

Minus: If you're settling in for more than a few nights, splurge on a medium or large room. The smalls are so tiny there's no room for even a suitcase stand.

Details: Honduras 4742, 011-54/11-5235-5555, fivebuenosaires.com, from $90, including breakfast.

KRISTA

'Hood: Palermo Hollywood, where the TV networks, film studios, and radio stations have set up shop. Models and actors make for great people-watching.

First impression: An early-1900s mansion--formerly owned by Evita's personal doctor--with high archways, stained-glass windows, and marble floors, it's kind of like your rich great-aunt's house. It opened in March.

The rooms: Each of the 10 large rooms is named for a different Argentine artist. The Victoria Ocampo (one of the country's greatest writers) has lilac walls, lace curtains, and a sheer canopy on the bed. In the Benito Quinquela Martín (known for his paintings of Buenos Aires's port), wood paneling evokes the inside of a ship.

Plus: Owner Cristina Marsden, born and raised in B.A., is plugged in to the local nightlife and can recommend the best bars and nightclubs.