One can also see dolphins that find the habitat of the Cinque Terre sea ideal at least up until late spring, before, that is, the great many number of boats roam the sea disturbing the underwater wildlife. One of the marine reserve's objectives is also to reduce the traffic of small boats near the coast. Underwater photographers will also be delighted as there are many opportunities especially in the field of 'macro photography' because of the multicoloured quality of the substrata and wildlife. The nudibranchiates, the sea urchins, and the rainbow wrasses are the favourites. The sea of the Cinque Terre represents a resource to be salvaged from the biologic as well as the natural and tourist-ecologic point of view because it is the habitat of many important species. It can in fact be compared to the most beautiful Mediterranean Sea beds.

Its water is clean (although sometimes not too clear because of the vicinity of the Magra River) and its beautiful landscape is unique. A boat trip, a mini cruise represent the high point of a visit to the Cinque Terre and the only way to reach otherwise inaccessible bays, in close contact with a wildlife and vegetation which is almost uncontaminated.