T+L asked Buenos Aires’s tastemakers to show us around town—here are our favorite spots to browse and bargain.

Credit: Gil Antiguedades

Sister Act

Sofía, Catalina, and Lucía Sanchez Barrenechea, founders of underoursky.com—an online mecca for Argentinean fashion and interiors—reveal their B.A. must-haves.

Catalina's Picks

Cabinet Óseo: "On our site, we sell these conceptual metal pieces that mimic human anatomy—phalanx necklaces (shown), heart-shaped pendants, and fingerprint-etched bangles."

Tramando: "I’ve been wearing Martín Churba’s collections for years—he is a textile artist and genius when it comes to prints! He also recently added home décor to his flagship boutique in Recoleta." 1973 Rodriguez Peña.

Sofia's Picks

Gil Antigüedades: "For 30 years, Horacio and María Inés Gil have built an impressive arsenal of vintage clothing, jewelry, tablecloths, fans, parasols, figurines, and more." 412 Humberto 1º, first floor.

En el Nombre del Postre: "In a land where medialunas (croissants) and alfajores once reigned, Argentines have developed an addiction to cupcakes and macarons. This pastry shop, in Palermo Hollywood, is one of my favorites." 5547 Soler.

Lucia's Picks

Celedonio: "From his workshop in the hidden courtyard of an old residential building, Celedonio Lohidoy draws inspiration from nature and wildlife for his spectacular costume jewelry—accented with pearls, crystals, and gems from northern Argentina." 1223 Uruguay, apt. 8.

Aire del Sur: "This is the ultimate place to buy wedding gifts. Marcelo Lucini designs beautiful furniture and home accessories, plus necklaces and cuffs that incorporate local wood, leather, deerhorn, and semiprecious stones." 1695 Vicente Lopez, second floor.

Dance the Night Away

Patrizia Chen on why tango shoes are a fashionista’s best friend.

I’ll admit it: I’m guilty of hoarding. As a social tango dancer for many years, I carry an empty suitcase every time I fly to Buenos Aires, to be filled with dancing shoes. I wear them to weddings and cocktail parties—no more agony in tight stilettos, as these are made with balance and flexibility in mind. An added bonus: most are around $100. Comme Il Faut (1239 Arenales, apt. M), located in Recoleta, is still the city’s most famous store. Founder Alicia Muñiz was the first to marry style with comfort, and her designs have the sexiness—plumage! sparkle!—of Manolo Blahniks and Jimmy Choos. I also love the trendy yet durable heels at Neo Tango (1938 Sarmiento), in Balvanera, and the more traditional looks at Flabella (263 Suipacha), near the city center. Ready to watch real people dance real tango? Head to La Viruta (1366 Armenia), a club in Palermo Soho where young and old are on their feet until five in the morning.

By Katie JamesJacqueline GiffordKatie James and Patrizia Chen