This pool from ... can achieve with a small pool. The 7-ft. by 13-ft. design is compact yet elegant, with a gray tile deck and interior. It can also be converted into a hot tub for year-round ...

And for those summer nights that get a little chilly, numerous portable hot tubs ... many sizes of pools to count, even fancy ones small enough to fit in even the smallest of yard spaces.

Home spa or hot tub ... Teamed with a pool or other features, they can turn your yard into a dramatic landscape. They're more costly. Essentially, you're building a small pool with water jets.