Illa de Rúa by boat: the lonely lighthouse at the heart of the Ría de Arousa

There's an island in the Ría de Arousa that hardly anyone can name, yet everyone who sails here looks at it every single day. It has no famous beaches, no beach bars, no wooden boardwalks: it has a lighthouse, seagulls and granite. It's Illa de Rúa, an islet planted almost at the geometric centre of the ría, halfway between Illa de Arousa and the Ribeira shore. We run our skippered boat out of the port of Vilanova de Arousa, we pass it every time we head towards the mouth of the ría, and we can promise you one thing: up close, it's far more impressive than its size suggests.

In this article we'll tell you what Illa de Rúa actually is, the story of its lighthouse, why it's a sacred reference point for fishermen and sailors, and how we fit it into our boat routes from Vilanova. If you've already read our guides to Sálvora, Cortegada or Areoso, this is the missing piece that completes your map of the Arousa islands.

What Illa de Rúa is and where to find it

Illa de Rúa is a granite islet of little more than one hectare above the waterline, surrounded by shallows and rock slabs that stretch well beyond what you can see at the surface. It belongs to the municipality of Ribeira, although as the crow flies it sits much closer to the northern tip of Illa de Arousa. Its position is what makes it unique: it stands practically in the middle of the Ría de Arousa, the largest of the Rías Baixas, which is why it has served for more than a century and a half as the ría's great natural traffic light.

Think of it this way: if the ría were an avenue, Illa de Rúa would be the central roundabout. All the traffic heading up towards Vilagarcía, Carril or Cortegada, and everything heading down towards the mouth and Sálvora, keeps an eye on it. The Rúa shallows — the rocks that surround it underwater — have earned genuine respect among local sailors, and that's precisely why the islet wears a crown: a lighthouse.

The Rúa lighthouse: guardian of the centre of the ría

The Rúa lighthouse was first lit in 1868, at the height of the lighthouse-building fever along the Galician coast — the same wave that gave light to Punta Cabalo (1852) and Sálvora (1852). It's a sober white tower built directly onto the rock, with the keeper's house attached — uninhabited today, like almost all of them. It's not a monumental lighthouse: it's a working lighthouse, the kind that exists to prevent tragedies, not to appear on postcards.

And yet it deserves the postcards. Few images sum up the Ría de Arousa better than this golden granite islet with its white tower, gulls and cormorants claiming every ledge of rock, and behind it — depending on your angle — Mount Curota, Illa de Arousa or the polygons of mussel rafts (bateas) drawing perfect rows across the water.

At night, its light still marks the safe passage through the inner ría. By day, it's the spot where the skipper eases off the throttle, brings the boat to a prudent distance — the shallows set the rules — and lets you take your photos in peace. Circling the islet completely, watching the lighthouse change profile against the light, is one of those simple moments people remember from their day on the water.

Why fishermen's eyes light up at the mention of Rúa

If you go fishing in the Ría de Arousa, sooner or later someone will mention the Rúa shallows. The rocks surrounding the islet create currents and shelters where life concentrates: ballan wrasse, white seabream, sea bass and, in season, fine specimens that reward a patient rod. It's no coincidence that the sport-fishing boats of half the ría drift over this way.

On our fishing trips from Vilanova we usually combine spots: some time around the bateas — genuine artificial reefs teeming with fish — and some time over rocks like Rúa's, always with the respect the shallows demand and the regulations in hand. If that plan appeals to you, there's a complete guide to boat fishing in the ría on our blog.

The route we run from Vilanova de Arousa

Illa de Rúa is rarely the sole destination of a trip: it's the centrepiece of a full-day route that links up the best of the ría. The one we repeat most often with our guests goes like this:

1. Departure from the port of Vilanova de Arousa, with the Illa de Arousa bridge to starboard.
2. Channel between the bateas: we weave through the mussel-raft polygons while explaining the farming culture that made this ría famous.
3. Punta Cabalo lighthouse, on the northern tip of Illa de Arousa — first photo stop.
4. Illa de Rúa: a full circle around the islet and its lighthouse, at a safe distance from the shallows. It's the most "open water" point of the route without leaving protected waters.
5. Anchor and swim: depending on the day, at Areoso with its Caribbean-white sand or in a quiet cove off Carreirón.
6. A relaxed return, sunset included if it's an afternoon trip.

With good seas and appetite, the route stretches out to the mouth of the ría for a distant view of Sálvora; with children aboard or a choppy sea, we shorten it and gain anchoring and swimming time. That flexibility is exactly the advantage of going with a local skipper: we read the day and build the best possible version of the route.

When to go and what to bring

Illa de Rúa can be visited all year round — it sits in the inner waters of the ría, sheltered from ocean swell — but each season has its own version. In summer the plan gains a swim at Areoso; in September and October, our favourite time, the light is cleaner, there's less traffic on the water and the golden afternoons make the lighthouse look spectacular in photos. In winter, calm anticyclonic days deliver photography trips of absolute tranquillity that surprise everyone.

For your day on the boat: sunscreen, a light windbreaker (there's always a bit of breeze in the middle of the ría), a cap, and a camera or phone with free storage. We take care of the rest. And if you fancy rounding things off ashore after sailing, Cambados and its Albariño are a step away — the lighthouse + anchorage + cup of wine at the harbour combination is hard to beat.

How much it costs to see Illa de Rúa by boat

Our rates from the port of Vilanova de Arousa are simple:

• Half day (4 hours): €300 — enough for the bateas, Punta Cabalo and the loop around Illa de Rúa with a photo stop.
• Full day: €500 — the complete route with anchoring, a swim at Areoso and plenty of time without watching the clock.
• Fuel is charged separately, depending on the route we take.

The boat is a comfortable, seaworthy 8.5-metre vessel with room for 6 guests plus the skipper. The price is for the whole boat, not per person: split between six friends, the full day works out at about €83 a head, fuel apart.

Book your route through the heart of the ría

Illa de Rúa has watched boats go by for more than 150 years. Making one of them yours only takes a message: write to us on WhatsApp at +34 685 74 24 20, tell us which day suits you and how many you are, and we'll build your tailor-made route from Vilanova de Arousa. The lighthouse at the centre of the ría is waiting — it hasn't missed an appointment in a century and a half.

Photos: Mathildejazat (CC BY-SA 4.0), César J. Pollo (CC BY-SA 4.0) and Noel Feans (CC BY 2.0), via Wikimedia Commons.