Balboa is a swing dance with a very distinctive feel. The feel is the chief reason people fall in love with it. It is danced primarily in close embrace and its body lead allows for great and subtle expressivity.

Wikipedia has a good article on Balboa.

A common misconception is that Balboa is suited only for faster songs. While Balboa may be less of a workout than other forms at higher tempos, it is great fun at nearly any speed.

To get an idea what Balboa looks like, check out this video of 2007 American Classic Balboa Champions Bernard & Anne-Hélène Cavasa: