
2 diving areas with blue whales sighting records in Portugal - 985 total observations.

The blue whale is the largest animal ever to have lived on Earth - larger than any dinosaur, reaching 30 metres in length and weighing up to 150 tonnes. Seeing one from a boat is extraordinary, but slipping into the water alongside one is an experience that defies language. Their sheer scale is inco...
Read the full Blue Whales diving guide