Complex sentence: The town of Santa Ynez is one of the communities that make up the Santa Ynez Valley, and features the Santa Ynez Airport for general aviation with a paved 2804 x 75 foot runway.
Split into simpler sentences: The town of Santa Ynez is one of the communities of the Santa Ynez Valley. It features the Santa Ynez Airport for general aviation, with a paved 2804 x 75 foot runway.