In the Lençóis Maranhenses, the choice of base defines the entire trip: how long you spend in a 4×4, which lagoons you get to see and even what time the generator goes off. The three options have such distinct personalities that it is easy to get badly wrong — this comparison exists so you get it right first time. The complete guide to the park is here.
The head-to-head in a table
| Criterion | Barreirinhas | Atins | Santo Amaro |
|---|---|---|---|
| Access from São Luís | 4h on tarmac | 4h plus 1h by boat | 5-6h (final stretch on sand) |
| Infrastructure | Complete (banks, pharmacies, restaurants) | Rustic-charming (boutique guesthouses, no buzz) | Simple and authentic |
| Distance from the lagoons | 1h-1h30 by 4×4 | 30-50 min | Practically inside the park |
| Lagoons last until | September | September / October | October (the longest-lasting) |
| Guesthouses (double) | R$ 150-400 | R$ 300-800 | R$ 200-500 |
| Extra strong point | Rio Preguiças boat trip | Kitesurfing, the Canto prawns, river plus sea | Sunset on the dunes on foot |
| Weak point | Far from the lagoons; more touristy | Price and logistics | The road and less variety |
The profile of each one
Barreirinhas is for a first visit with comfort, families with children and anyone who likes a choice of restaurants — accepting more road time per day of touring. Atins is the refuge of couples and kitesurfers: a sand village between the river and the sea, candlelit dinners and the legendary grilled prawns of Canto do Atins. Santo Amaro is for anyone who came FOR THE LAGOONS: you walk from the guesthouse to the dunes, see the sunset without a 4×4 and sleep in absolute silence — with infrastructure proportional to the purity.
The clever traveler’s strategy
- 5-6 days: split it — 2 nights in Santo Amaro (immersion) plus 3 in Atins or Barreirinhas (variety plus the Rio Preguiças). Santo Amaro first avoids an anticlimax.
- September / October: favor Santo Amaro — that is where the water holds out (see the calendar of the lagoons).
- Adventurers: connect the bases THROUGH the park with the trek on foot — you arrive in Atins in a way no boat can deliver.
- At all three: bring cash and do not count on the internet — the detox is part of the package.
🥾 Who is it for?
Effort: light — comparing bases is pure planning. Children: Barreirinhas has more infrastructure for families; Atins is rustic and charming; Santo Amaro is the most raw. Older travelers and people with reduced mobility: Barreirinhas wins on comfort and access; Atins and Santo Amaro ask for a spirit of adventure.





