Four Seasons I, the first yacht by the luxury hotel and resort operator, will launch in 2026 with spa and wellness facilities on its fourth deck. The 95-key vessel will be jointly owned and operated by Four Seasons and Marc-Henry Cruise Holdings. Four Seasons Yachts will lead the hospitality and service experience with a 1:1 guest-to-staff ratio. Marc-Henry Cruise Holdings will oversee the nautical operations. Design partners for the vessel

Ritz-Carlton is gearing up to launch its third superyacht – Luminara – in July. The vessel will be the largest to date. The ship’s exclusive Ritz-Carlton Spa will be located on the fourth deck, alongside the fitness studio and a barber and salon. Plans for the spa show treatment rooms with private terraces overlooking the sea, as well as separate saunas and steamrooms for men and women and a relaxation

A 300m-long superyacht is set to launch in 2025, carrying a scientific "strike force" tasked with studying the earth's climate and coming up with plans to tackle global warming. Called Earth 300, the research vessel will feature a 13-storey Science Sphere, housing 22 laboratories and acting as a floating scientific hub. Designed by Iddes Yachts – led by naval architect Iván Salas Jefferson – and Polish naval architecture firm NED,

Watercraft designer Max Zhivov has unveiled concept images of the ‘Tiny Eco-Hotel’ – an electric-powered houseboat geared for short-term travel on lakes and bays. The miniature retreat, able to accommodate four people, will have two parts: a mooring building, which will be permanently anchored to the lakebed, and the boat itself. The boat will comprise sleeping quarters, a bathroom, a kitchenette, and a sunbathing deck coated with sand, grass, and

Greece’s Miraggio Thermal Spa Resort is set to open in May of this year in Halkidiki, with a 3,000sq m (32,291sq ft) Myrthia Thermal Spa, and plans for a medical wellness section to be added in 2017. Owned by Med Sea Health, the resort is designed by Greek architecture firm DLP, owned by Michel De Landtsheer and Eleni Pletsa, and will feature 300 bedrooms and suites, 48 with private pools.