Cruises are slowly shedding their reputation for being full of retirees, as younger consumers increasingly take to the seas. The Wall Street Journal reported that half of all passengers on Royal Caribbean cruises were millennials (aged between 27 and 44) or younger, according to the company’s CFO, Naftali Holtz.

But, newer trip takers want a different experience to the typical week-long cruise, leading major companies to invest in shorter excursions, better internet access, and exclusive trips like private island excursions.

Related reading: The economics of a cruise.