The National Geographic 10x42 Waterproof Marine Binoculars are built for water-based adventures and outdoor exploration. Designed for use in marine environments, these binoculars are waterproof and fogproof, making them reliable companions for boating, kayaking, birdwatching, and coastal activities. The included floating neck strap keeps the binoculars safe and visible if dropped near water, a critical safety feature for marine use.

The 42mm aperture paired with fully coated BaK-7 roof prisms delivers bright, high-contrast images with 10x magnification and a wide 300-foot field of view at 1,000 yards, making it easy to track wildlife, scan coastlines, or follow moving targets. Twist-up eyecups provide comfortable viewing during extended use, and the durable rubber armor exterior offers a secure grip in wet conditions. The package includes a carrying case, lens cloth, and lens covers for protection during transport and storage.

Originally sold at Hawaii Costco locations (HI ONLY designation), these binoculars are well-suited for the coastal and marine environment of the islands.