Hotels and resorts are not alone in trying to lure guests into well-being. Cruises—historically known for boundless buffets and other temptations to overindulge—are in the game, too.

Here are notable entrants.

Silversea Expeditions offers a series of Wellness Expedition voyages on its small luxury ships that include an onboard program of yoga and stretching classes, water aerobics, Pilates, spa treatments and healthy menus. The cruise line offers corporate and incentive cruises.

Holland America Line has partnered with O, The Oprah Magazine to create Just Breathe, meditations and movement inspired by the magazine’s “dedication to living your best life.” Healthy menus focusing on wellness are also featured. The cruise line can accommodate groups ranging from 15 to 2,650 people.

Lindblad Expeditions offers a four-night “Exploration, Transformation, Mindfulness” voyage in Mexico’s Sea of Cortez that includes power yoga, guided hikes, stand-up paddleboarding and a boot camp.

Celebrity Cruises has debuted a fleet-wide Mindful Dreams wellness program in partnership with renowned Canyon Ranch in Tucson, Arizona, that includes spa treatments, instructional classes and expert-led lectures themed on achieving more mindful and restful sleep patterns.

Seabourn Cruise Line has introduced a mindful living program in partnership with integrative medicine expert Dr. Andrew Weil that features an onboard “mindful living coach” who leads yoga, meditation and other classes, as well as events inspired by Weil’s anti-aging and mindful meditation writings.