Royal Caribbean is upping the ante in the market for short cruises out of Miami with plans for a major makeover of Mariner of the Seas ... the addition of new deck-top water slides, a FlowRider ...

Introduced in 2003 and overhauled in mid-2018, Mariner of the Seas features passenger favorites like the Escape Room, the Izumi Japanese restaurant and a surf simulator. During the ship's ...