Yes, you can absolutely drink the tap water in Madeira in 2026. The water on the main island is of exceptionally high-value and high-quality, often sourced directly from underground springs in the mountains. It is treated to meet stringent EU and Portuguese safety standards, making it as safe to drink as bottled water. While some travelers may notice a slight mineral or chlorine taste in more urban areas like Funchal, this is a standard byproduct of the disinfection process and does not indicate a lack of safety. For a premier experience, many locals and visitors use a simple filter pitcher to improve the flavor. On the neighboring island of Porto Santo, the water is desalinated but remains perfectly safe for consumption, though it may have a slightly different taste profile. Overall, drinking tap water in Madeira is a high-quality "pro-move" that saves money and reduces plastic waste.