What's the difference between Costa 580P and 580G lenses?

580P is polycarbonate — lightweight, impact-resistant, and less expensive. 580G is glass — heavier but significantly more scratch-resistant and with slightly better optical clarity. For fishing on a boat or kayak where impact is a concern, 580P. For hiking or casual use where you want the lenses to last for years, 580G is worth the extra cost.

Are Costa del Mar sunglasses good for everyday wear, not just fishing?

Yes. Styles like the Fantail, Saltbreak, and Blackfin have crossed over into mainstream everyday wear. The 580 polarized lenses are excellent for driving and any outdoor activity. The frames are durable and well-made. The main thing is the styling skews slightly toward an outdoor/coastal vibe — not a fashion-forward look like Quay or Ray-Ban.

What Costa frame is best for a round face?

The Tuna Alley is the top pick — wide, angular, rectangular frame that adds structure and makes a round face look more defined. The Blackfin and Saltbreak work for the same reason. Avoid round or oval Costa frames, which will emphasize the roundness.

How do Costa compare to Maui Jim for water use?

Both are excellent for water use. Costa 580 is specifically engineered to cut the exact wavelengths that cause eye strain on the water, making them slightly better for serious fishing where you're staring at water for hours. Maui Jim PolarizedPlus2 offers better overall color enhancement in all conditions. For pure fishing performance, Costa has the edge. For all-around premium polarized, Maui Jim.

Are Costa sunglasses worth the price vs. cheaper polarized options?

If you spend significant time on the water, yes — the 580 technology makes a real, visible difference in glare reduction and eye fatigue. For casual occasional outdoor use, solid affordable polarized like Knockaround or DIFF works fine. Costa is an investment for people who are outdoors frequently and want lenses that perform at that level.

Brand Guide

Costa del Mar Sunglasses
for Every Face Shape

Costa del Mar makes the best sunglasses for water. Their 580 lens technology cuts through water glare better than almost anything else on the market — which is why they're the #1 choice for serious anglers across the US. But they look great off the water too.

Here's which Costa style works best for each face shape, with Amazon links to shop. If you're not sure what your face shape is, use our free tool below — takes under 60 seconds.

Not sure what your face shape is?

Take our free 60-second face shape quiz — camera selfie or 5 quick questions. We'll detect your shape and show you the best Costa del Mar frames for it automatically.

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About Costa del Mar

Costa del Mar (Daytona Beach, FL) was founded in 1983 by Florida anglers. Their 580 lens technology blocks the 580 nanometer wavelength that causes the most eye strain on the water, while boosting contrast and color. Available in 580P (polycarbonate, lightweight) and 580G (glass, heavier but more scratch-resistant). Top styles: Fantail, Blackfin, Saltbreak, Tuna Alley, Spearo, Aransas, Willow. Prices $150–$280.