Yes, you can absolutely bring your own water bottles into Disney's Blizzard Beach Water Park in 2026. Disney’s park rules allow guests to bring in outside food and non-alcoholic beverages, provided they are not in glass containers. Bringing a reusable, insulated metal water bottle is highly recommended, as climbing "Mount Gushmore" and walking on hot pavement in the Florida sun can quickly lead to dehydration. There are multiple "hydration stations" and water fountains located near the restrooms and dining areas where you can refill your bottle for free. However, be aware that you cannot bring in loose ice; if you want to keep your drinks cold, use reusable ice packs inside a soft-sided cooler (which must be smaller than 24" x 15" x 18"). This is a great "pro-tip" to save money, as bottled water inside the park can be quite expensive, often costing upwards of $5 per bottle.