Ilhéu de Vila Franca
A submerged crater off São Miguel forming a near-circular lagoon, a seabird reserve where swimming has been banned since 2025.
Updated 22 October 2026
The Ilhéu de Vila Franca is the remnant of a small volcanic cone whose crater is now flooded and connected to the open sea through a narrow gap, so it forms an almost perfectly circular natural pool about 150 metres across, sheltered from swell, with the crater rim rising around it. It is a nature reserve, protected for its seabirds - Cory's shearwaters and terns nest on the rim - and swimming in the lagoon, long its summer draw, has been banned since 2025 for conservation; visits now go with certified local companies from Vila Franca do Campo, as guided nature walks. The cliffs on the outer side have hosted the Red Bull cliff diving series, from a platform on the rim. Numbers are limited and popular days book out.
History
Written documents first record the islet in 1537, and over time it held a fort, a port, vineyards and a whale lookout. Until 1982 one family owned it, holidaying there and making wine, and in 1983 the regional assembly made the islet and the surrounding waters down to 30 metres a nature reserve (Wikipedia, Vila Franca Islet).
The landscape
- The flooded crater - a near-circular lagoon connected to the sea by a narrow gap.
- The rim - the crater wall enclosing the pool, with seabirds nesting on it.
- The reserve status - protection for shearwaters and terns.
- The diving platform - the cliff site used for the Red Bull series.
When to go
June to September is the main season for boat trips. Half a day. Book ahead - places fill on good-weather days.
Before you go
Places are limited, so turning up without a booking often fails. No shade, no facilities beyond basic ones, and nothing sold on the islet. Swimming has not been allowed since 2025, so this is a nature walk, not a beach day. Boats do not run in swell. Nesting areas are closed and must be respected.
Nearby
Vila Franca do Campo is on the shore; Lagoa do Fogo is inland above.
Key facts
Source: Wikidata, item Q2655194, read on 18 October 2026.
What to pack for Ilhéu de Vila Franca
Chosen from what this place is for. Tap a kit for the full checklist.
- Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
- Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
- Your own mask + snorkel - A well-fitting mask is the single biggest comfort upgrade underwater. Find on Amazon
- Binoculars - The single best wildlife tool - even a compact pair transforms a sighting. Find on Amazon
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