Yes, you can absolutely bring your own water bottles into EPCOT in 2026, and it is a peer-recommended "high-value" strategy to save $5.00 per bottle inside the park. You can bring disposable plastic bottles or reusable stainless steel bottles (like a Hydro Flask), provided they are not made of glass. A high-value "pro" tip for 2026: every "Quick Service" food location at EPCOT will give you a free cup of ice water upon request, which you can use to refill your bottle throughout the day. Additionally, there are high-tech "Bottle Refill" stations located near the Guardians of the Galaxy: Cosmic Rewind exit and in the World Celebration area. For a peer-to-peer "win": if you are visiting during the "Food & Garden Festival," the Florida sun can be "high-intensity," so carrying a large, insulated bottle ensures you stay hydrated without waiting in the 20-minute lines for a $7 soda.