Yes, you can bring your own bottled water into Disney's Typhoon Lagoon. In 2026, the policy allows guests to bring in outside food and non-alcoholic beverages provided they are not in glass containers. Coolers are also permitted as long as they are smaller than 24" x 15" x 18" and do not contain loose or dry ice (reusable ice packs are required). This is a high-value strategy for families looking to save money, as water inside the park can be expensive. However, remember that Typhoon Lagoon is temporarily closed for its annual refurbishment from February 15, 2026, through May 11, 2026, with a scheduled reopening on May 12. If you are visiting during this window, you will be redirected to Disney's Blizzard Beach, which follows the same lenient water and cooler policies.