To "do all" of Universal Orlando Resort in 2026—which now includes three theme parks (Universal Studios Florida, Islands of Adventure, and the newly opened Epic Universe) plus the Volcano Bay water park—you realistically need 4 to 5 full days. With the opening of Epic Universe, the resort has significantly increased in scale; trying to see everything in a weekend is no longer feasible. A 3-day "Park-to-Park" ticket is the absolute minimum to see the highlights of the main two parks and the Wizarding World of Harry Potter, but it would leave little time for the immersive lands in Epic Universe or a relaxing day at Volcano Bay. If you are staying at a Universal Premier Hotel, you receive complimentary "Express Pass" access for the first two parks, which can help you save time and potentially shave a day off your itinerary. For a stress-free experience that includes the "Dark Universe," Super Nintendo World, and all the classic thrills, a 5-day stay allows for a "rest day" at CityWalk or the resort pool, ensuring you don't succumb to theme park exhaustion.