Gesell came from unusual stock. His father was Silvio Gesell, the German economist whose radical theories on money still surface in academic footnotes. Carlos inherited the stubbornness if not the discipline. Taming a coastal dune field is genuinely hard work; loose sand swallows saplings and shrugs off roots. He began planting in 1931 anyway, season after season, coaxing pines and acacias into ground that wanted to stay barren. In 1932 he built himself a house among the first stands of trees, a wooden home that today serves as a municipal museum. Slowly the green spread, the dunes stopped marching, and a sheltered landscape emerged where there had been only sand and wind off the sea.

What Gesell created became, almost by accident, a holiday town, and the sea was always the point. The main beach runs about ten kilometers with a gentle, easy slope, and as the town grew it absorbed its smaller neighbors, Mar de las Pampas, Las Gaviotas, and Mar Azul, stretching the sandy coastline to roughly twenty-one kilometers. In the height of the Argentine summer a small army of about 150 lifeguards keeps watch over the swimmers. Out past the developed strip, the land around the lighthouse is set aside as a nature reserve, a reminder of the wild dunes that once ran the length of this shore before one man decided to plant them over. The town's oceanic climate keeps things temperate, never tropical, the kind of mild, salt-aired weather that suits long afternoons on the sand far better than any heatwave.

Villa Gesell has a friendly rivalry with neighboring Pinamar, and the difference between them is a small social comedy that locals know by heart. Pinamar courts wealthy Argentines and trades on exclusivity. Villa Gesell, by long tradition, belongs to the middle class, the families and students and backpackers who come for the beach, the craft market, and the discos rather than the price tag. The town runs along one main avenue parallel to the coast, its architecture a cheerful jumble of sizes, shapes, and colors, buildings of every height leaning into one another with no particular plan. There is a zoo, a golf course, a craft market, and no shortage of discos. It is the kind of unpretentious summer energy that has made generations of Argentines loyal to it, returning year after year to the same stretch of sand their parents knew.

There is a quiet environmental lesson in Villa Gesell's later history. As the town built up along the shore, planners noticed the beach itself shrinking year by year, the sand eroding under the press of concrete. So the town reversed course. As the leases on beachfront concessions expired, they were not renewed. Brick and concrete structures were torn down and replaced with smaller wooden buildings that tread more lightly. Cars were banned from the strip nearest the water, and each beach lease was capped at eighty tents. It is a fitting epilogue for a place a forester founded: a town that learned, twice over, to work with the sand rather than against it.