One of the most interesting galleries in Stockholm, run by the lovely married couple Amy and Martin. Their main focus is in contemporary American and Swedish artist. Loyal is also the gallery that represent me.
If you want to try something outside the city center this is a really beautiful small gem. They cook delicious seasonal food and have a nice selection of cheese and charcuterie for your wine. Best to book table beforehand.
During the summer Trädgården is the place to be if your out clubbing. It has a great festival atmosphere. The chance of you getting seperated from your friends is immidiate but you will meet new ones. I have a love-hate relationship with this place, watch out for the massive que and the ill willing pointers.
In the summer this is a haven in the middle of the city. It is a public garden where I like to go and relax in the grass under a blooming tree. There is also a cafe and a shop here. Before you leave you should buy a bouqee of flowers (you pick yourself in the garden!).