1. Peniche: Berlengas Roundtrip and Glass-Bottom Boat Cave Tour
Start your tour by meeting your captain at the harbor of Peniche. Take a ferry towards the Berlengas archipelago, where your glass-bottom boat trip will take place. Then, take a 30-minute cruise around Berlengas, a UNESCO Biosphere Reserve that includes various nature conservation sites. . Look down into the clear waters and spot marine life. You will also enter some caves, such as the Blue Cave, the São João Batista Cave as well as a large wind cave.