Four Seasons, Orient Express and Aman are bringing their familiar brand of service to the water, with vast suites, private butlers and superyacht-style itineraries. The experience is impressive, though not always as seamless as the price suggests.

Luxury hotel brands including Four Seasons, Ritz-Carlton and Orient Express are taking their signature hospitality to sea, reshaping the future of premium cruising.

Four Seasons, Orient Express and Aman are bringing their familiar brand of service to the water, with vast suites, private butlers and superyacht-style itineraries. The experience…