Starting this festival season consider using alternatives to the automobile for arriving in and getting around Laguna Beach. 
Trolley
During Festival Season a FREE summer trolley services 3 routes from 9:30am to 11:30pm June 26 to August 30. See a route map here. See the route descriptions here. Trolley Tracker mobile App here.  
Municipal Bus 
(No service July 4) The blue and white bus, Monday through Friday 6:30 AM to 6:30 PM, Saturday 9:30 AM to 6:30 PM. Route map here. Click for route maps:  Gray route service, Blue route service,  Red route service. Bus schedule here.
For more information visit the city transit page here.  
OCTA Bus
Route 1 Long Beach to San Clemente, route map. 
Route 85 Mission Viejo to Dana Point, route map.  
Taxis
Sally's Fund - local ride scheduling 949 499-4100
Age Well Senior Services - local ride 949 855-9766 
LB Transit Plus Taxi Voucher Program - Suzi-Q Community Center front desk 9am-3pm 497-0504
Yellow Cab OC Company - 714 999-9999 pick-up schedule here.  
Silver Streak Tranport Services - 949 435 3460
Uber - Ride on demand signup page here.  
See more senior transportation details here.
Bike
Door to door service, alternate routes, easy parking. 
See the historical bike-route map (2004) here.   
See the bike-route map (2012) here.  
See the latest city bike-route map (2015) TBD. 
Walk
Get some exercise, meet a neighbor, experience old Laguna like you never have before. Paak-da-Ka if you dare here, and walk to your destination. Can't find parking?  Leave the car in the garage and experience Laguna's vistas, walk to your destination anyway.