There are a variety of water activities in Alghero: diving, jet-skiing, water-skiing and more. The water sports are available to all who wish to do so; you can borrow the necessary equipment from the rental shops, and the classes are supervised by instructors and lifeguards.
Extreme athletes will find activities to their liking, because the resort has a diving school, windsurfing lessons, rafting in kayaks and canoes.
As for diving - there are several schools for beginners to conquer the depths of the sea. The bottom of this part of the Mediterranean Sea is especially beautiful, because studded with corals, between which swim eels, moray eels. You can see lobsters and various tropical fish.