Scott: his room, watching movies and cuddling
Stiles: his jeep, driving around enjoying the scenery
Derek: his loft, since he knows your safe with him.
Isaac: a lake near by, just enjoying eachothers company
Liam: the lacrosse field, he loves teaching you lacrosse.
Nolan: your house, he loves seeing old pictures of you because he thinks its adorable.
Theo: his house, he likes having privacy with you.