Costa Del Mar is a leading designer of sun eyewear for fishing and boating enthusiasts and for anyone who loves to spend time on the water. Costa Del Mar eyewear is built for adventurers whose active and rugged lifestyles demand frames built with durable materials that can withstand exposure to sun, sand, and seawater. Costa Del Mar's lenses are the clearest in the industry, and the experts at Costa Del Mar have patented an array of glass and plastic lenses, with various treatments and finishes, that make spending time in the sun and on the water even more enjoyable.