Crystal Cruises is inviting children ages 17 and under to cruise for free on three Crystal Symphony Pacific Coast voyages this coming spring and fall! This offer, valid for children in a third berth with two full-fare adults, is available for seven-day sailings between Los Angeles and Vancouver on April 10 and 17, 2011 plus a seven-day Thanksgiving cruise sailing roundtrip from Los Angeles on November 20. Travel in style along California’s famed coast as the Crystal Symphony journeys to treasured destinations including San Francisco, Santa Barbara and San Diego. The offer may be combined with current promotions for shipboard credits and free air. The Symphony sails with 922 guests and now offers flexible open dining. Onboard amenities include grand lounges, gym, casino, spa, lap pool, evening entertainment and more.