Before it was a place of pilgrimage it was a place to hide. During the Dutch occupation of the Northeast in the seventeenth century, people from Porto Calvo - a town that was being fought over hard - moved down to this coast for shelter and for the vantage point it gave them over enemy movements. The village grew slowly from there. It was raised to vila on 9 June 1864, and only on 7 June 1960 did it become a municipality in its own right, separating from Porto de Pedras up the coast. Today it covers about 77 square kilometres and counts somewhere around eight thousand residents. It is roughly a hundred kilometres from Maceió, which for most of its history was far enough to be left alone.

The coast road here has a name - the Rota Ecológica dos Milagres - and it is the reason a village this small has any profile at all. It runs behind a line of coconut palms, connecting a string of beaches: Marcineiro, Porto da Rua, Patacho. What makes them distinctive is not the sand but what sits offshore. A reef line runs parallel to the coast, and at low tide it holds a band of shallow, still, extraordinarily clear water between the reef and the beach - warm enough to stand in for an hour, transparent enough to watch fish over your own feet. Development along the route has stayed low and dispersed, mostly small pousadas set back among the palms. There is no seafront strip. From the Mirante do Cruzeiro, a viewpoint forty metres above the village, you can see the whole arrangement at once.

The rivers that come down to this coast - the Tatuamunha and the Tabatinga among them - are the reason biologists know São Miguel dos Milagres. The Antillean manatee, the peixe-boi marinho, is listed as endangered in Brazil, and its calves are frequently found stranded and orphaned along the Northeast coast. Conservation work in these river mouths raises rescued animals and returns them to the wild here, in brackish, sheltered water with the food and the calm they need to learn how to be manatees. Sightings from a kayak are not guaranteed and should not be. The point is not the encounter. The point is that a village whose founding story is about a body being healed now hosts a programme built on exactly that premise, applied to a different kind of survivor.

None of this quiet is accidental. This coast lies inside the Área de Proteção Ambiental Costa dos Corais, created by federal decree on 23 October 1997 and running roughly 135 kilometres from Tamandaré in southern Pernambuco down to Maceió. At more than 413,000 hectares it is the largest marine protected area in Brazil, administered by ICMBio, and it exists to protect two things in particular: the reef system that makes the water here what it is, and the manatee. Protection means rules - no-take zones, restrictions on where boats may go and what may be taken from the water. Those rules are also, indirectly, why São Miguel dos Milagres still looks like a village rather than a resort strip.

There is no easy way in, which is a large part of the appeal. Scheduled vans leave the Maceió bus station heading for Porto de Pedras and drop passengers along the way; the trip costs a handful of reais and runs perhaps eight times a day. Coming down from Maragogi in the north is more involved - a van, then a mototaxi to the river, then a ferry at Porto de Pedras that carries foot passengers free, then another van on the far bank. Mototaxi drivers in reflective vests handle everything local, and the village itself is small enough to walk. Ride-hailing apps mostly show no cars available. You arrive, in other words, the way people have always arrived here: slowly, and with some help from strangers.