Lençóis Maranhenses Travel Guide: When to Go and How to Plan
Última actualización: 3 de junio de 2026
Lençóis Maranhenses National Park in Maranhão, Brazil, is open year-round, but lagoons only fill between May and September. All 2026 tickets for June are already sold out; the next open slots begin July 1, 2026.
Last updated: June 3, 2026
Entry Rules & Visitor Caps for 2026
- Daily cap: 1 550 visitors split into two fixed time slots
- Early slot: 05:30–11:00
- Afternoon slot: 14:00–17:30
- Advance e-ticket mandatory for every visitor; no on-site sales
- Overnight stays inside the park are prohibited; last exit is 17:30
- All foreign visitors must show proof of travel insurance covering at least R$ 30 000 in medical expenses
Booking portal: ingressos.icmbio.gov.br
Ticket Prices & Mandatory Fees (2026)
Item | Foreign Adult | Brazilian Adult | Child 6–11 | 0–5 yrs |
|---|---|---|---|---|
Park admission | R$ 93.00 | R$ 46.50 | 50 % | Free |
4×4 vehicle permit (per calendar year) | R$ 185.00 | R$ 185.00 | – | – |
Ranger-guided “Circuito das Lagoas” trek (2 h 30 min) | R$ 60.00 | R$ 60.00 | R$ 30.00 | Free |
Drone special-use permit | R$ 185.00 | R$ 185.00 | – | – |
Additional local taxes
- Barreirinhas tourism tax: R$ 5.50 per person per night
- Atins environmental fee: R$ 10.00 payable at the pier
- Parnaíba Delta speedboat transfer: R$ 85.00 each way
When to Go: Weather & Lagoon Calendar
Period | Rainfall | Lagoon Depth | Visitor Load | Notes |
|---|---|---|---|---|
Jan–Apr | High | Dry or shallow | Light | No lagoons, kite-surfing season |
May | Medium | Filling starts | Moderate | First deep lagoons appear |
Jun | Low | Peak depth | Maximum | All tickets sold out 2026 |
Jul | Low | Peak depth | High | Best balance of water & crowds |
Aug | Negligible | Stable | High | Still excellent |
Sep | Rising | Declining | Moderate | Last reliable month |
Oct–Dec | High | Mostly dry | Light | Park open, few visitors |
How to Get There in 2026
Air + Road
- Fly to São Luís (SLZ) – multiple daily connections from São Paulo, Rio, Brasília.
- Airport shuttle to Barreirinhas: Guanabara runs 4 departures daily, 3 h 45 min, R$ 85.00.
- From Barreirinhas to park gate: pre-book 4×4 transfer (R$ 35–50 pp each way).
Overland from Fortaleza or Teresina
- Fortaleza–Barreirinhas: 8 h private transfer (R$ 350–450 per car).
- Teresina–Barreirinhas: 5 h via BR-402 (shared van R$ 120 pp).
Delta Route via Parnaíba
- Speedboat across Parnaíba Delta to Atins (R$ 85.00 pp) then 4×4 to Barreirinhas in 1 h.
Step-by-Step Booking Timeline
- 90 days ahead – buy park e-ticket online; choose morning or afternoon slot.
- Same session – add ranger-guided trek if desired (cannot be added later).
- 30 days ahead – reserve accommodation in Barreirinhas, Atins, or Santo Amaro.
- 15 days ahead – if driving a 4×4, apply for vehicle permit at ICMBio Barreirinhas office (Monday–Friday 08:00–17:00, 25 min processing).
- 10 days ahead – apply for drone permit (if applicable) via ICMBio Brasília form.
- Day 1 on site – pay municipal tourism tax at hotel and Atins preservation fee on arrival.
Accommodation: Where to Stay
Base | Access to Park | Typical Price (double) | Notes |
|---|---|---|---|
Barreirinhas | 30 min 4×4 | R$ 200–450 | Largest supply of restaurants, agencies |
Atins | 10 min 4×4 | R$ 250–500 | Quiet beach village, kitesurf schools |
Santo Amaro | Inside park buffer | R$ 180–350 | Smaller, less crowded, own lagoon circuit |
Popular guest-houses usually require 2- or 3-night minimum in high season.
Inside the Park: Permitted Activities & Gear
- Swimming: Lagoons 1–3 m deep in July/August; no lifeguards.
- Walking: Only marked trails; ranger-guided trek covers 6 km of dunes and lagoons.
- Photography: Tripods okay; flash drones need permit and 10-day advance approval.
- Camping: Allowed only at Base da Baixa Grande (R$ 46.50 pp + R$ 18.50 tent); cold showers only.
What to pack
- Sunscreen SPF 50 (no shade)
- Light long sleeves for wind
- Closed shoes for hot sand
- Dry bag for electronics
- 1 L water per person (no potable water inside)
Common Pitfalls & How to Avoid Them
- Sold-out slots: Book at least 90 days ahead; set calendar alert for 02:00 BRT when new month opens.
- Wrong shoes: Flip-flops sink into soft sand; sneakers or light trekking sandals work best.
- Late exit: Rangers start clearing visitors at 17:15; missing the gate incurs fines and complicates transport.
- No insurance: Border-style checkpoint at park entrance demands printed proof; e-policy on phone may be rejected.
- Cash shortfall: Some local agencies accept only cash; bring at least R$ 500 in small bills for fees, snacks, tips.
FAQs
Q: Can I visit without a 4×4?
A: Yes. Shared 4×4 transfers depart Barreirinhas every 30 min; round-trip about R$ 70 pp.
Q: Are there restaurants inside the park?
A: No. Bring all food and water; vendors outside gates sell empanadas and coconut water.
Q: Is tap water safe in Barreirinhas?
A: Most hotels filter water; ask before drinking. Bottled water is inexpensive.
Q: Do I need yellow-fever vaccination?
A: Not required for entry, but recommended by Brazil’s Ministry of Health for Maranhão.
Q: Can I change my time slot after purchase?
A: No. ICMBio does not allow modifications; only cancellation and re-booking if new slots are free.
Q: Is English widely spoken?
A: Basic Portuguese is helpful; most guides speak limited English.
Q: Cell coverage inside the park?
A: Spotty 3G on top of dunes; no signal in lagoons.
Sample 4-Day Itinerary
Day 1 – Arrive São Luíz, shuttle to Barreirinhas, check-in, sunset at Preguiças River.
Day 2 – Morning park slot (05:30), full lagoon circuit, lunch in Barreirinhas, afternoon boat to Atins.
Day 3 – Kitesurf lesson or Atins–Mandacaru coastal walk, pay environmental fee, overnight in Atins.
Day 4 – 4×4 back to Barreirinhas, shuttle to São Luíz, evening flight out.
For a slower pace, add a night in Santo Amaro and do the village side lagoons without crowds. See also our slow travel guide to Portugal for a similar rhythm in another continent.
Planning a multi-day trek? Our hiking guide to natural trails covers gear lists that transfer well to dune hikes.
If you want to continue exploring beyond the obvious circuits, take inspiration from our off the beaten path itinerary for structuring extended side trips.
A working grasp of Portuguese will smooth ticket purchases, 4×4 negotiations, and on-trail chats with rangers. Migaku can help you learn Portuguese from native content before you travel.