Its location allowed him to look out towards the Río de la Plata, where his steam ships could be seen plying the waters between Buenos Aires and Colonia del Sacramento, Uruguay.
Inspired in part by the Tomb of Mausolus of Caria, the eclecticist building was designed by the local architectural studio of Calvo, Jacobs and Giménez, and was opened in 1929, shortly after Mihanovich's death.
[3] Designed by local studio Daniel Fernández & Associates and decorated by Pierre-Yves Rochon, its refurbishment was accompanied by the construction of a 10 m (33 ft) basement for a pool, gym and parking garage.
A T-shaped alley resulting from the two adjacent 5-story wings was covered by a glass roof and converted into a black-and-white marble-tiled lobby (notable also for a 0.6-ton, 4-meter {13-ft} bronze spiderweb chandelier).
Opened in January 2003 as Sofitel Buenos Aires, the hotel has 144 rooms, business facilities, a literary café and Le Sud, a Provençal restaurant.