Sunset Valley

Sunset Valley is the only neighborhood being shipped with The Sims 3. It is very large compared to the neighborhoods in previous The Sims games, having a total of 97 lots with characters. There are lots of different types of houses like, a rustic home on a hill, a modern house in the suburbs, a house by the beach and many more. The main part of the town is the park, where you can have a picnic, go fishing or take a stroll and maybe meet someone new, there are also cinemas, gyms, restaurants, shops and others, sims can also visit their friend's homes.

Sunset Valley is Pleasantview before the original in The Sims, which the neighborhood is named Old Town. The Goth Family will be there as their younger selves, presumably, Mortimer as a child with his parents, as well as many other familiar families. New families include the Altos and the Keatons. The Landgraab Family will also make appearances.

Mrs. Crumplebottom will be around as her younger self. The source of her crabbiness is revealed to be due to her husbands death, her husband features as a ghost.