Alcohol is served only to adults; under eighteens get soft drinks. 4.97 from 38 reviews at €38 per person for 1h 30m.
One price for every traveller: €38 per adult.
Children from €19 (ages 0 to 12). Option texts and prices come from the operator's listing; prices checked on Viator on 3 October 2026.
100% of ratings with a star breakdown are 4★ or 5★: 38 of 38
Star breakdown of all 38 ratings
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Ratings collected from Guidekin, Viator & Tripadvisor.
Once a strategic haven for fishermen and royal yachts, today it offers calm waters perfect for sailing and sightseeing. From the sea, enjoy a unique perspective of the old town, the Santa Marta Lighthouse, and the coastline that made Cascais a favorite retreat of kings and explorers.
Pass by, no stopSanta Marta Lighthouse is one of Cascais’ most picturesque landmarks. Built in the 19th century on the site of a former coastal fort, it stands at the entrance to Cascais Bay with its striking white-and-blue tower. Today, it houses a small museum and offers panoramic views of the Atlantic. Seen from the sea, it marks the perfect blend of military history, maritime tradition, and coastal beauty — a true highlight of any cruise along the Estoril Coast.
Pass by, no stopBoca do Inferno (Hell’s Mouth) is a dramatic sea cave carved into the cliffs just west of Cascais. Shaped by centuries of Atlantic waves crashing into the rock, it’s famous for its powerful blowhole and thunderous sound during rough seas. A symbol of nature’s raw force, it offers one of the most striking coastal views in Portugal. From the water, its jagged cliffs and deep chasm are even more impressive — a must-see highlight of any coastal cruise.
Pass by, no stopGuia Lighthouse stands proudly atop the cliffs west of Cascais, guiding ships safely along the Portuguese coast since the 18th century. Surrounded by pine trees and facing the Atlantic, it marks one of the most scenic points on the Estoril coastline. From the sea, its white tower is a striking sight, symbolizing centuries of maritime tradition and the natural beauty of the rugged shoreline.
Pass by, no stopFort of Santo António da Barra is one of the most important coastal fortresses near Lisbon, built in the late 16th century to defend the entrance to the Tagus River. Located in Estoril, this impressive structure once housed King Dom Carlos’s summer residence. From the sea, its robust walls and strategic position offer a glimpse into Portugal’s military and royal maritime history, standing as a powerful sentinel above the waves.
Pass by, no stopEnjoy an unforgettable afternoon with a boat trip along the stunning coastline of Cascais. For 90 minutes, embark on a panoramic journey along the picturesque shores of Cascais and Estoril, while toasting the moment with unlimited drinks — cold beer, sangria or white wine on tap, all included.
Let yourself be carried away by the waves and the stories that have shaped this coastline — tales of kings and navigators, of faith and battles and secrets kept by the sea.
Admire, from a privileged viewpoint that only the sea can offer, the majestic Fortresses of Nossa Senhora da Luz and of St. António da Barra, the summer palaces, the picturesque St. Marta and Guia Lighthouses and the impressive cliff that protects the mysterious Boca do Inferno.
Perfect for couples, families or groups of friends, this tour is a unique and authentic experience that combines relaxation, culture and breathtaking scenery.
A different — and absolutely memorable — way to discover the magic of the Cascais coast.
The operator's own notes, grouped by topic. Nothing here is added by Guidekin.
For a full refund, cancel at least 24 hours before the scheduled departure time.