Royal Caribbean Cruises – Kids Sail FREE and MORE February 7, 2020 by SMFM Leave a Comment Royal Caribbean is offering FREE sailing for kids on select cruises! Plus, you can also snag 60% Off Second Guest and Up to $150 in Instant Savings! This seems like a good opportunity to take your family on a cruise or sail with your partner! Kids must be 12 and under to qualify. Head over here to see which cruises are included, and also check out the terms and conditions.