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Product Information


If you've ever been to the Bahamas or Keys, you've probably enjoyed conch chowder, salad or fritters. And these tasty sunglasses, featuring metal Monel® frames and integral hinges, are right at home among the white sands, blue waters—and pink conch shells.


  • Comfortable large fit.
  • Integral hinge.
  • Corrosion-resistant Monel® frame.
  • Includes hard case.
  • 100% UV light blockage for max protection.
  • 100% polarization kills reflected glare and reduces eye strain.
  • Built by hand and backed for life. Every pair of Costa Sunglasses includes a limited lifetime warranty.
  • Plastic lenses are lightweight, impact- and scratch-resistant.
  • Glass lenses have the greatest clarity and are scratch resistant.
  • This style is prescription ready, click here to learn more about Costa prescriptions.


  • Base curve of 8.
  • DBL: 15.3mm
  • Temple Length: 123mm
  • Lens size A/B: 59mm/44.2mm



CONCH is rated 4.6 out of 5 by 25.
Rated 5 out of 5 by from Style and Performance I've been a Costa customer for years, and always wanted to try the metal frames. They seemed a bit bulky when I first saw them, but after trying them on I can say this is not the case. I actually have two pair. Rose gold with blue mirror glass and Palladium with green mirror glass. They always get compliments and each pair provides unmatched vision quality in all sorts of lighting conditions. I use the blue for ball games and when I'm on the water and the green for everything else. I love that Costa provides more style options with their top notch quality lenses. Couldn't be happier.
Date published: 2016-03-24
Rated 5 out of 5 by from Excellent glare elimination! My husband fishes professionally and he would not let me purchase my normal designer brand sunglasses for the prices I pay for them but he was willing to let me purchase some Costas that sponsor his tournaments. With that said, I chose the Conch Palladium in 580G Blue Mirror and absolutely LOVE them! I can see so much more clearly when driving because they remove the glare. He even borrows them and I am going to purchase a pair for him for upcoming Father's Day. They are a bit loose on my medium head but not too bad.
Date published: 2016-05-31
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