It is without a doubt the busiest part of the island in where resorts like Magaluf or Santa Ponça provide the tourists with major services and infrastructure. There are long and neat beaches, hotels and hostels and a wide range of nightclubs, restaurants and shops all over, and also live shows.Among other things, you can book yourself in a submarine trip, hire parachutes, pedalboats, waterbikes, slide through the waterfalls of two different waterparks or enjoy a night out with dinner show at the casino. http://wikitravel.org/en/Calvia