You should choose, preferably, accommodations in the center, it is not far from the Entrepot. Try not to use cars in the center, your serenity will improve, and your tango too !
Information on sites dedicated tourism here
Accommodations in private homes
Sharing home and cars, for tango amateurs
le site : Tango Surfing
FB page : Click for FB
Others sharing sites
See for example airbnb