The cliffs are the whole geological argument for Pipa. Between Praia das Minas and Praia do Amor a formation known as the Chapadão rises to about forty metres, a long banded wall of soft sedimentary rock that doubles as the best viewpoint on this stretch of Rio Grande do Norte. Atlantic Forest hangs on above the edge; below, the sea works steadily at the base. The cliffs are actively eroding along the resort front, which is not a hypothetical concern — the same softness that makes them beautiful makes them temporary, and the town has had to think about where it builds. Watch them at the end of the day and the colours run through orange into red as the light drops.

Pipa is not a beach but a string of them, roughly ten kilometres of coast holding eleven named stretches: Sibaúma, Malembá, Praia do Giz, Praia do Madeiro, Baía dos Golfinhos, the central town beach, Praia do Amor, Praia das Minas and more. They are not interchangeable. Madeiro is broad and sheltered. Amor sits in a curve below the cliffs and takes the surf. The town beach is where everyone lands first. And the water at each is a different proposition depending on the hour, because the tide here does not just rise and fall — at low water it opens paths between coves that are impassable four hours later, and closes them again without warning anyone still walking.

The Bay of Dolphins earns the name. Dolphins come into the shelter of the bay regularly, and the best chances are early morning and low tide, when the water is calm and the animals work close in. The bay sits inside the Reserva Faunística Costeira de Tibau do Sul, and the protection is not decorative. The entire beach is designated a marine turtle preservation zone under CONAMA Resolution 10 of 1996, and at Praia das Minas — seven kilometres of near-empty sand south of the town — sections are fenced off entirely for nesting turtles. Pipa's most valuable residents cannot be sold a drink, and the rules exist because that took a while to sink in.

Until the 1970s this was a fishing village and nothing else. Surfers found it first, then backpackers, drawn by a combination that is genuinely rare even on the Brazilian coast: clear water, fine white sand, standing Atlantic Forest, vertical cliffs, and consistent breaks. The currents that made the surfing good have also drowned swimmers who underestimated them, and the warning is worth taking literally. Brazilians came next, and then foreign visitors, and Pipa grew very fast. Many of the businesses in town today are run by people who arrived as tourists and simply never left, which is why a village of a few thousand contains restaurants, galleries and bars in the density of a small city, and why you hear four or five languages crossing a single street.

Growth outran the infrastructure. Traffic crawls through streets that were laid out for boats and donkeys, public sewage remains incompletely established, prices sit well above the regional norm, and the environment that brought everyone here is under pressure from the building that followed them. None of this is a secret in Pipa; it is the standing local argument. Expansion is now legally capped by the environmental protection areas ringing the village, development rules have tightened under sustained pressure from local environmentalists, and public works including a ring road on existing roads are meant to pull traffic out of the centre. In 2018 the Ministry of Tourism placed Pipa in Category A on Brazil's Tourism Map, the top performance tier. Category A is a reward and a warning in the same envelope.

Pipa lies about eighty-five kilometres south of Natal, in the municipality of Tibau do Sul, and it is a straightforward trip that people routinely overcomplicate. Direct buses run from Natal. Coming from João Pessoa or Recife there is no direct service, so most travellers ride to Goianinha on an intercity bus and change: minibuses leave from behind the blue church every twelve minutes or so for the last leg. Once you arrive, the village is small enough to walk end to end, and the same minibuses serve the beaches and villages strung along the road back toward Goianinha. Behind the village, the Guaraíras Lagoon takes the sunset — boats, canoes, fishermen, and a horizon that goes gold rather than red.