Hospitality companies like Ritz-Carlton, Aman, and Four Seasons have expanded their portfolios with private jet tours and cruise ships, as seen in a Four Seasons rendering.Four Seasons; Getty Images; Alyssa Powell/BIFour Seasons, Aman, and Ritz-Carlton are expanding their portfolios with private jet tours and cruises.The offerings are part of a strategy to keep enticing high-paying customers in 2025 and beyond.This article is part of "Transforming Business," a series on the must-know leaders and trends impacting industries.If you want to relax at a hotel, sip mai tais on a cruise, or see the world by private jet, you soon won't have to look further than your favorite luxury hotel brand.Just don't refer to their vessels as "cruise ships." They'd rather you call them yachts.Over the past few years, high-end hospitality companies such as Ritz-Carlton, Aman, and Four Seasons have expanded their portfolios to sea or air travel in a bid to keep high-paying customers within their networks.After all, if you loved your Ritz-Carlton resort experience, wouldn't you be more inclined to try the at-sea version — even if you've never cruised before?Four Seasons and Aman are creating an in-house vacation networkTCS World Travel operates Four Seasons' private jet tours, shown in a rendering.Four SeasonsAman and Four Seasons are in several markets — hotels, residential, retail, and travel "experiences" like private jet tours.Alejandro Reynal, Four Seasons' president and CEO, told Business Insider that hotels and resorts accounted for about 80% of the company's revenue.