Updated with more details in April 2019 This year, we took a family cruise on the Royal Caribbean’s Harmony of the Seas. The biggest cruise ship on the water at the time. As most cruisers know the biggest is only the biggest for a season, if that. But we didn’t choose The Royal Caribbean’s Harmony of the Seas for its size. We bought in this time for the laundry list of amazing activities on board and the ports of call. Cruising with teens needs to be fun, which means you need to opt for a cruise ship with a lot of activity. The Harmony of the Seas is non stop…