Join Date: Feb 1999
Location: San Jose, California, USA
Programs: AS Plat, UA MM, AA MM, IC Plat, Marriott Gold, Hilton Gold, Hyatt Globalist
Posts: 3,167
I echo the sentiments of the previous posters. I did a day trip to Colonia (in part for the bragging rights of having visited Uruguay), but I did it on my second long-weekend trip to Buenos Aires. You will have far too much to do in 3 days in BsAs to spend a third of that in Colonia.