Overview
Alter do Chão is a small beach town on the right bank of the Tapajós River, 37 km south of Santarém via road PA-457. The Guardian newspaper named its freshwater beach the most beautiful in the world, earning it the nickname "Brazilian Caribbean." With a permanent population of 6,700 and a relaxed atmosphere, it draws tourists seeking Amazon beauty without the intensity of larger cities.
Beach · Budget Travel · Day Trips · Nature · Transit Hub
Before you go
Money
Brazilian Real (R$) is the local currency. ATMs available in Santarém; carry cash in Alter do Chão.
Safety
Regular police patrols; low petty crime. Shuffle feet in shallow water to avoid stingray injuries.
Transport
Buses run every 35 min from Santarém (R$3.5), 05:30-23:00. No direct airport bus—transfer via Santarém city.
Weather
Beach sizes vary by season—rainy season causes beaches to disappear. Weekends draw domestic tourists.