Collection: Best Anti-Fog for Snorkeling

The best anti-fog for snorkeling keeps your mask crystal-clear, no matter how deep you explore. Look for a formula that’s streak-free, long-lasting, and made with reef-safe, biodegradable ingredients—because what goes on your mask eventually washes into the sea.

Stream2Sea’s Mask Defog is trusted by divers and snorkelers alike for a reason: it’s non-toxic, alcohol-free, and safe for all mask types, including prescription and silicone lenses. Just a small drop ensures fog-free visibility for your entire session—so you can focus on coral gardens, sea turtles, and the underwater magic, not wiping your lens.

Whether you're snorkeling in tropical waters or taking your gear for a swim on vacation, this anti-fog is travel-friendly, ocean-conscious, and seriously effective.

Crystal-clear vision, reef-conscious care.