Posse Grounds Coffeehouse opens today in Sedona, AZ. The shop is run by John Berreman (the owner), Tyler Johnson, and Sarah Johnson (manager and Tyler’s wife). It features a La Marzocco Linea espresso machine. Photo Credit: Posse Grounds Located in the Village of Oak Creek in Sedona, the coffee house sports free wireless internet, espresso drinks, and from the looks of it, a cozy atmosphere. Posse Grounds Coffeehouse 7000 Hwy 179 Sedona, AZ 86351 Phone: (928) 284-4620 Twitter: @PosseGrounds