LAGUNA HILLS

The Chamber of Commerce will hold its Regional Breakfast Mixer at 7:30 a.m. Oct. 8 in Laguna Hills. The affiliate of the South Orange County Chambers of Commerce is an 800-member organization representing businesses in Lake Forest, Laguna Hills, Mission Viejo, Rancho Santa Margarita and Aliso Viejo. Monthly workshops and mixers are held on a regular basis. The mixer will be held in the Rossmoor Regency, 24441 Calle Sonora, Laguna Hills. The cost is $8 for chambers members, guests $10 at the door. (949) 830-1100.