Top Lisbon Glass Bottom Boat Tours

Swap the busy city for the serene Berlenga Grande, a scenic island in the Berlengas Nature Reserve, on this small-group day trip. See a side of Portugal many visitors miss and heighten your chance of spotting local wildlife with your guide. On arrival, visit St. John the Baptist Fort and take a guided stroll along the pathways of the UNESCO-listed Biosphere Reserve. Then, take a glass-bottom boat excursion through Berlenga Grande’s caves.

Take the heat out of sightseeing and trade the often-crowded streets of Lisbon for the cooling waters of the Tagus River on this hop-on hop-off cruise. With your 24-hour ticket, you can travel quickly and easily around the Portuguese capital, hopping on and off at must-see sights like UNESCO World Heritage-listed Belém Tower and Christ the King (Cristo Rei) monument. Alternatively, stay on board for the full loop and listen to the audio commentary to learn more about the city.

Discover gorgeous Berlenga Grande Island without having to arrange buses and boats on a private day trip from Lisbon. On this tour, journey by boat to the Berlengas Nature Reserve (Reserva Natural das Berlengas), a granite island off the coast of the village of Peniche. With your own private guide, explore the UNESCO-listed scenery and see the 17th-century fort that defended coastal settlements. Savor plenty of free time to snorkel, swim, or lounge on the shores, then explore the island's caves on a glass-bottom boat adventure.

Venture off the coast of Portugal and discover the beautiful Berlengas Islands on a half-day catamaran tour from Peniche. Head to the protected archipelago for a day of hiking on rugged trails and taking in the stunning scenery. While you sail, your captain provides commentary on the history of the islands as well as stories of shipwrecks and pirate attacks.