Ponta da Piedade is the photo most people have in mind when they think of the Algarve: golden cliffs, sea arches and pillars of rock standing in clear green-blue water. It's a headland just south of Lagos town, and it is one of the most visited natural sights in Portugal.
You can look at it from the clifftop, but the best part is at sea level. Many of the grottoes and arches can only be reached by water, and several of them are too narrow for anything bigger than a small boat or a kayak. Here is what to expect, how the different trips work and how to choose the right one for you.
Ponta da Piedade (roughly "Point of Mercy" or "Point of Piety") is a rocky headland on the western side of the Bay of Lagos. Its cliffs, up to about 20 metres high, are made of soft, golden limestone. Over a very long time the waves and the wind have carved that rock into caves, tunnels, arches and sea stacks, and they're still shaping it today.
On top of the headland stands the Ponta da Piedade lighthouse, which opened on 1 July 1913. It was built on the site of a 16th-century chapel dedicated to Nossa Senhora da Piedade, who was considered the patron saint of the Lagos fishing community. That's where the headland gets its name. The lighthouse was electrified in 1952 and has been automatic since 1983.
Lagos itself has a long relationship with the sea. In the 15th century it was one of the main ports of the Portuguese voyages of discovery, and the navigator Gil Eanes, the first to sail beyond Cape Bojador in 1434, sailed from here. The view from the water today is very close to what those sailors saw as they left the bay.
From the clifftop you get a great panorama, and there's a staircase of around 180 steps down to a small landing at the bottom. But from the land you only see the outside of the formations.
From a boat you go through them. Small boats can slip under arches, into grottoes lit from above and between rock pillars, so you see the colours of the stone and the water up close. The light changes a lot inside: in some caves the water looks turquoise, in others almost emerald.
Local guides also point out the shapes that people have spotted in the rock over the years. Depending on who is steering, you'll hear names like "the cathedral", "the kitchen" or "the lovers' cave". Part of the fun is seeing whether you can spot them yourself.
All of Seatrips' Ponta da Piedade trips leave from Lagos Marina, a short walk from the old town, so there's no need for a transfer. Which one suits you depends on how much time you have and how you like to travel.
This is the most direct way to see the caves. Our Visit to the Caves trip takes up to 10 people in a small boat, which means we can go into the narrower grottoes that big boats have to skip. A local guide is on board to tell you about the formations and their stories.
It's a good choice if you're short on time, travelling with children or simply want the highlights without spending half a day at sea.
If you'd rather slow down, you can sail there on a traditional sailboat. On these trips the sailboat anchors in a calm spot near Ponta da Piedade and you transfer to a smaller boat to explore the grottoes, then head back on board.
These suit couples, groups of friends and anyone who wants the caves as part of a relaxed day on the water.
For the most up-close version, our Kayak Tours take you into the grottoes under your own power, at water level. It's more active, and you'll get a little wet, but nothing beats floating inside a cave while you look up at the rock.
Season. The sea decides. From late spring to early autumn the water is usually warmer and the weather more settled, which is ideal for swimming stops and kayaking. Out of season you can still get beautiful, clear days with far fewer people around. Check the booking page for the dates available.
Time of day. Mornings are often calmer, with fewer boats around. In the late afternoon the low sun warms up the gold of the cliffs, which photographers love.
Weather. Caves are only entered when it's safe. If the sea is too rough, the trip may be rescheduled or cancelled, and at Seatrips you then get a full refund or a new date. It's worth booking Ponta da Piedade early in your holiday, so you have spare days if the weather changes.
Please arrive at Lagos Marina 15 minutes before departure for check-in. Small-boat and kayak trips are not recommended for pregnant women or for people with neck (cervical spine) problems, so ask us if you're unsure.
If you have time, see the headland from above as well. The clifftop paths around the lighthouse give wide views over the bay and towards Meia Praia, and at sunset it is one of the most popular viewpoints in Lagos. Nearby beaches such as Praia do Camilo and Praia Dona Ana are also beautiful, and you'll pass both from the water on the way to the grottoes.
Seeing it from both sides is the best way to understand the scale of the place: from the top it's a landscape, from the water it becomes a maze.
Ponta da Piedade is the jewel of Lagos, and the grottoes are what make it unforgettable. Whether you choose a quick boat trip, a slow sail with lunch or a kayak adventure, you'll see it the way it's meant to be seen: from the water, with a local guide who knows every arch.
See all our Ponta da Piedade trips or contact us at info@seatrips.pt or +351 912 435 522 if you'd like help choosing.
Sources: Wikipedia ("Ponta da Piedade"; Portuguese Wikipedia, "Farol da Ponta da Piedade"; "Lagos, Portugal"), trip details from seatrips.pt (November 2026).