Introducing the Costa Del Mar Diego Sunglasses, our most advanced sport performance sunglasses yet. Engineered for serious anglers, boaters, and outdoor athletes, Diego combines cutting-edge ventilation, moisture management, and premium polarized lens technology to deliver unmatched comfort and clarity in extreme conditions.
Inspired by San Diego, one of the world's premier fishing destinations, the Diego was built to keep you focused and comfortable from sunrise to sunset -- whether you're chasing yellowtail offshore or targeting trophy bluefin tuna.
Advanced Performance Sunglasses for Fishing & Outdoor Sports
The Costa Diego is designed for maximum airflow, enhanced fit, and long-lasting comfort during intense outdoor activity.
Key Performance Features
Paired with Costa's renowned 580 polarized lenses, Diego sunglasses deliver:
These advanced polarized fishing lenses help reduce eye fatigue while improving visibility during long days outdoors.
Built for Offshore Fishing & Active Lifestyles
Whether you're offshore fishing, running the flats, boating, or spending long hours in the sun, the Costa Diego sunglasses are designed to perform in demanding environments.
Perfect for:
With industry-leading polarized lens technology, innovative airflow engineering, and premium comfort features, the Costa Del Mar Diego represents the next generation of high-performance fishing sunglasses.
Stay on the water longer with superior glare protection, lightweight comfort, and performance-driven design trusted by serious anglers worldwide.
