Siena is an age-qualified golf community built by Sun Colony, brainchild of Red Rock Country Club. Behind guarded gates are lovely Italian villas, situated upon verdant rolling fairways and artful bunkers of the eighteen-hole Sienna Golf Course. Overlooking Lake Siena, Siena's Village Center is rich with Tuscan architecture, landscape and decor. Boasting a beautiful outdoor heated swimming pool and spa, tennis courts and bocce courts, Sienna's community center serves as the epicenter of outdoor health. Inside the sprawling Health & Fitness Center are cardiovascular and weight equipment, an indoor heated lap swimming pool and spa, and his and her locker rooms with sauna and steam. The beautiful Spring Mountains stand in high relief in the background. of this wondrous community. This is active adult living at its very finest in Summerlin.