A compact half-day 4x4 adventure from Barreirinhas that crosses dunes to reach clear, rain-fed lagoons. Expect a 25–40 minute off-road drive, a 10–20 minute walk, and a refreshing swim framed by stark sand ridges.
More ways to explore the area's outdoor wonders
The morning begins with a low sun cutting crisp shadows across rolling pale dunes as a Toyota 4x4 noses onto an off-road trail and the dunes dare you forward. Within 25–40 minutes of bumpy drive you leave the main road behind and step onto sand that shifts beneath your boots; the guide leads a short 10–20 minute walk to a chain of cobalt lagoons whose still surfaces catch the sky.
Difficulty
easy
Duration
3 hours (approx. 8:20–12:00)
Fitness Level
Suitable for most fitness levels; requires walking 10–20 minutes over soft sand and climbing small dunes.
Wildlife
History
The lagoons form when seasonal rains collect between dunes in Lençóis Maranhenses; local communities have historically moved with river and fish cycles tied to these rhythms.
Conservation
The interdune ecosystem is fragile—follow established paths, avoid trampling vegetation, and carry out all waste to minimize impact.
Reserve your spot on the Blue Lagoon Circuit Shared Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Morning departure
The tour typically leaves at 8:20 AM—arrive early to secure your seat and avoid the hottest sun on the return.
Footwear for sand
Use sturdy sandals or quick-dry trail shoes; soft dunes require traction and shoes you don’t mind rinsing.
Cash for kiosks
Bring small bills—local kiosks accept cash for drinks and snacks but may not take cards.
Protect the dunes
Stay on guided paths and take all trash with you to preserve fragile interdune vegetation and water quality.
Quick-dry shoes or sturdy sandals
Provide traction on soft sand and are easy to rinse after lagoon swims.
Swimwear & towel
Necessary for enjoying the lagoons and drying off before the return drive.
Sunscreen & hat
Protects from intense sun on open dunes, especially during mid-day.
summer
Insect repellent
Useful near vegetation and during wetter months when mosquitoes are more active.
fall