Orient Express wants to help you fully rejuvenate at sea. The luxury travel brand, which announced it was expanding beyond glamorous trains into high-end yachts after it was acquired by Accor in 2022, just revealed plans for a wellness retreat aboard the newly launched Corinthian. Orient Express has teamed up with fellow French icon Guerlain to develop the aptly named Ocean Rebirth experience. Founded in 1828 by Pierre-François Pascal Guerlain, the maison has crafted top-tier perfume, skincare, and cosmetics for centuries and has launched spas at renowned five-star hotels, including Raffles London at the OWO, One&Only the Palm, and the Hôtel Métropole Monte-Carlo. Guerlain is also behind the spa onboard Corinthian. It spans 5,380 square feet, with four treatment suites, a sauna, a relaxation lounge, a barber, a beauty salon, a fitness space, and a lap lane with open-sky views. Such facilities are not uncommon on cruise ships—the floating hotels by the likes of Aman, Four Seasons, and Ritz-Carlton all have them—but..