Best Scuba Masks: Reviews and Buying Guide Your mask is literally the window to the underwater world, and I learned this the hard way on my fourth dive when my rental mask kept flooding every few minutes. Since then, I've spent way too much time researching the best scuba masks, testing different styles, and figuring out what actually matters when you're 60 feet down trying to spot a seahorse. Whether you're just getting certified or building your first gear kit like I am, choosing the right mask makes the difference between a magical dive and a frustrating one. What Is a Scuba Mask? A scuba mask is basically a sealed viewing window that creates an air pocket in front of your eyes, allowing you to see clearly underwater. Unlike swimming goggles that only cover your eyes, a proper dive mask also covers your nose—this isn't just design preferenc ...