Originally Posted by
susiesan
The port we will have stopped at before we get to BA is Montevideo. If Colonia is similar I will definitely skip it and go to the Tigre delta instead.
The currency is quite similar between Montevideo and Colonia. Otherwise, Colonia is a UNESCO World Heritage Site and the historic portion of the City is well worth a half-day, while Montevideo is a pleasant mid-sized city.
Attached is a Dengue (and Chikunguņa y Zika) prevention flyer from the Municipality of Tigre.
http://www.tigre.gov.ar/no-le-hagas-lugar-al-dengue/