Pile your plate high with fresh salads -- especially raw or grilled vegetables -- and poached seafood. You'll fill up on healthy choices and won't have much room left for fried or fatty foods. Choose entrees such as grilled chicken breasts and fish, and pass on heavy meats, like barbecued ribs. Go easy on dessert.

Avoiding weight gain on a cruise ship in 2026 requires a "movement-first" mindset amidst the 24/7 abundance of food. The most effective strategy is to vow to use the stairs instead of the elevators; with many megaships boasting 15 to 20 decks, this provides a constant cardio workout. For dining, utilize the buffet's fresh salad and protein stations rather than the heavy cream-based dishes in the main dining room. Portion control is key—try the "one-plate rule" for the buffet rather than returning for multiple rounds. Many modern ships feature state-of-the-art fitness centers and even bungee fitness or spin classes that make working out feel like an event. On port days, opt for active shore excursions like hiking, kayaking, or walking tours rather than bus-based sightseeing. Finally, be mindful of "liquid calories"; tropical cocktails are often packed with sugar, so alternating with water or opting for lighter beverages can help balance the caloric intake of those decadent midnight buffets.