There are many calm places not overcrowded and its no problem to find an empty beach if you have patience, but in Visby (the biggest town) there are pubs, restaurants and clubs everywhere in the summer.
"In Sweden many beautiful cities which Enjoying special charm ,Extends forests and glaciers and lakes and many beautiful scenic,Swedish cities, including the city of Jokmuk That the tourist able to see the sun shining in the middle of the night"