The promenade measures 3 km long and runs along the bay from Mergellina to the end of Via Partenope. It is closed to car traffic, so you can safely walk and ride on roller skates or bicycles. Restaurants and cafes surround her. Right next to it there are also several playgrounds for children and the oldest aquarium in Europe. troll along the waterfront of Naples means to admire at a glance most of the beauties that characterize the city: the Vesuvio, the island of Capri, Castel dell'Ovo and the promontory of Posillipo, while on the other side of the street you can attend, at any time of the day, the lively life of the city.