Visit the postcard perfect island of berlenga grande on this small group day trip from lisbon travel to the charming fishing village of peniche where youll board a boat for berlenga grande an idyllic island in the berlengas nature reserve reserva natural das berlengas visit the 17th century st john the baptist fort and wander along the pretty pathways of the unesco biosphere reserve then explore the islands caves on an included kayak or glass bottom boat excursion numbers are limited