The Algarve’s most extraordinary landscape isn’t its famous cliffs or golden beaches. It’s hiding in plain sight, just off the coast of Faro.
The small wooden boat glides through the narrow channels of the Algarve‘s Ria Formosa. Spoonbills strut along the salt pans, and storks gather on the sandbars. Through binoculars, this lagoon-like estuary comes to life. Drifting along, spotting hundreds of birds, makes for a calming change of pace from the crowded resorts just a few miles away — and a reminder that Portugal‘s southern coast has depths that most visitors never reach.
Ria Formosa Natural Park is one of Europe’s most important wetland ecosystems, yet it remains largely overlooked. Stretching for 60 kilometres between Manta Rota and Ancão, it encompasses lagoons, salt marshes, tidal flats, and barrier islands that shelter the mainland from the Atlantic. In 2004, it was voted one of the Seven Natural Wonders of Portugal. Most Algarve tourists drive straight past it.
Why you need to get on the water
The problem with Ria Formosa is that you have to be on it to understand it. From land, you catch a glimpse of flat water and a distant ribbon of sand. You’d have no idea that behind it sits a wilderness of channels and bird-rich shallows stretching almost to the Spanish border.
The park shelters over 200 bird species, including the rare purple gallinule — found in only a handful of locations in Europe — alongside flamingos, herons, and oystercatchers. Dolphins pass through the channels. Chameleons, somehow, have made the barrier islands home. None of it is visible from a beach towel.

The two islands
A small-group boat tour from Faro, run by local operator Islands 4 You, covers the lagoon’s inner channels before landing on two islands that are studies in contrast.
Barreta Island (Ilha Deserta) is the southernmost point of mainland Portugal — a wind-scoured finger of sand dune with no roads, no residents, and one solitary restaurant. The silence is striking. It’s the kind of place that recalibrates you.
Ilha do Farol is its opposite: a small, working island community named for the 19th-century lighthouse that still guides ships along the coast. Whitewashed houses, narrow sandy lanes, cats in doorways. Afternoon departures include time to swim, and the return crossing often catches the sunset over the lagoon.
Five great things to do in the Algarve
- 🏝️ Stop at three incredible islands – on a Ria Formosa cruise from Faro.
- 🚙 On a jeep tour – explore the hidden secrets and mountains of the Algarve.
- 🌊 Jump, climb and splash – on a coasteering tour along the coastline.
- 🥧 At a baking class – learn how to make Portugal’s famous custard tarts.
- 🛶 Explore the Benagil sea caves – up close on a small group kayaking tour.
What to know before you go
The tour runs approximately four hours and carries a maximum of 33 passengers. Guides provide commentary on the wildlife and the park’s ecology, pitched — according to the consensus of 1,300-plus reviews — at a level that informs without overwhelming. The operator sends practical meeting details via WhatsApp the day before, which is more useful than it sounds when you’re navigating an unfamiliar marina.
Meeting point: Islands 4 You desk, Stand 8, Faro’s Doca de Recreio (near Eva Senses Hotel).
Duration: Approximately four hours.
Price: From €40 per person.
Cancellation: Free up to 24 hours before departure.
Late August and September tend to offer the best combination of warm weather and thinner crowds. The tour books around 11 days in advance on average, so it’s worth planning ahead.
Book the Ria Formosa Islands Boat Tour from Faro here.
More Algarve travel
Other Algarve travel articles on Planet Whitley include:
- A Tavira travel guide for first time visitors.
- A Lagos travel guide for first time visitors.
- Why the Algarve’s Benagil Cave is best seen on a kayak tour.
- Plan your visit to Silves Castle on the Algarve, Portugal.
- Praia da Marinha visitor guide: What you need to know about the Algarve’s top beach.
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