A weekend escape from Buenos Aires.

Tigre is the outdoor one. From Retiro station, the suburban train runs about an hour to the delta, where the Paraná branches into a green sprawl of small rivers and islands. The town itself is leafy, low-rise, and unhurried: a covered market of regional crafts and produce (the mercado de frutos), walkable streets along the water, and no museums to rush. Stay for lunch and a slow afternoon, ride a lancha out to one of the islands if the weather holds.

Colonia is the old-town one. The fast ferry from Puerto Madero reaches the Uruguayan port in roughly an hour, and the terminal sits at the edge of the declared colonial quarter — cobblestone streets, low pastel facades, the eighteenth-century church where the town begins to feel like Portugal with a different accent. It works as a day trip but rewards an overnight: the town at sundown, when the day-trippers are gone, is what you came for. Pick by mood: quiet and nature means Tigre, old town and an Uruguayan afternoon means Colonia.

The ferry is run by Buquebus and Colonia Express, both leaving from Puerto Madero, and the fast boat reaches Colonia in roughly an hour. Book the round trip early; the morning sailing is meaningfully cheaper than the midday one, and a same-day return is fine if you start early. Colonia is small enough to walk straight out of the terminal — no taxi, no connection, the old town begins a block from the dock.

The train to Tigre runs on the Mitre line from Retiro, about an hour depending on the service. Use a SUBE card — the rechargeable transit card that works on the BA city buses and the metro — and load it at any metro station before you go. The Tigre end of the line drops you a short walk from the riverside and the mercado, so there is no extra transit to arrange on either side.

Tigre lodging runs small and riverside. Family-run lodges and hostels along the waterfront cost a fraction of a Palermo hotel, and most include breakfast with fresh pastries and the strong coffee Argentine mornings expect. Pick one within walking distance of the train station and the mercado — that’s the shortlist that saves you a cab in both directions and lets the day run at walking pace.

Colonia rewards one splurge. Posadas — small boutique inns in the historic quarter — are the move here: a courtyard room, a long breakfast under a stone arch, perhaps a window over the cobblestones. Meals are where the money goes cheapest. Tigre’s mercado covers empanadas and grilled river fish at lunch prices; Colonia’s old town does weekend asado lunches on the patio with tannat wine from across the river. The wine is cheap in both places and is where the budget should land — cocktails in Buenos Aires are the line item to leave on the table.