Costa
Costa polarized sunglasses, built for fishing with 580G glass lenses that cut glare and sharpen contrast on the water. Shop Costa Reefton Pro, King Tide 8, Tuna Alley Pro, Spearo XL, Fly Line, Diego, Lido, Taxman, Los Alijos and Rinconcito frames in Blue Mirror, Green Mirror, Copper Silver Mirror and Gray lenses.
Browse sunglasses and fishing accessories for sight fishing, boating and everyday wear.
Try Costa frames on and compare lens colours at our Grey Lynn concept store at 36 Pollen Street, or order online for fast, tracked delivery across New Zealand.
Costa Deep Water
About Costa
Costa Del Mar started in 1983 in Daytona Beach, Florida, making sunglasses for people who spend their days on the water. Fishing is in the brand's blood, and its sunglasses are built to cut through glare so anglers can see into the water, spot fish and read the conditions. Costa is now one of the best known names in fishing eyewear, worn by fishing guides, charter skippers and recreational anglers around the world.
Every pair we stock uses Costa's 580G lens, polarized glass made to deliver very clear, sharp vision in bright light.
The 580G lens
Costa's 580 lens technology is designed to selectively filter harsh yellow light, which sharpens contrast and makes colours stand out, while also blocking harmful UV and high energy blue light. The G stands for glass, which offers the clearest vision and the best scratch resistance of any lens material. Polarization removes the glare that bounces off the surface of the water, letting you see fish, weed beds and structure below.
Lens colour matters too. Blue Mirror suits bright, open water offshore, Green Mirror is a favourite for inshore and flats fishing, Copper Silver Mirror adds contrast in changing light, and Gray gives true colour on bright days.
Frames for every face
Costa frames are built for comfort over long days on the boat. The Reefton Pro, Tuna Alley Pro and King Tide 8 are wraparound fishing frames that block light from the sides, the Spearo XL suits larger faces, and the Fly Line, Diego, Lido, Taxman, Los Alijos and Rinconcito offer different shapes and fits for fishing and everyday wear.
At Land & Sea we stock a wide range of Costa sunglasses, and our team can help you choose the right lens colour for where and how you fish. A good pair of polarized glasses is one of the most useful upgrades an angler can make, and with care a glass lens will last for many seasons.
Frequently asked questions about Costa
What does 580G mean on Costa sunglasses?
580 refers to Costa's lens technology, which selectively filters harsh yellow light at around the 580 nanometre wavelength to sharpen contrast and make colours pop, while blocking UV and high energy blue light. The G means the lens is made of glass, which gives the clearest optics and the best scratch resistance. A 580G lens is Costa's premium choice for anglers who want maximum clarity and durability on the water.
Which Costa lens colour is best for fishing?
It depends on where you fish. Blue Mirror is designed for bright sun and open water, so it suits offshore and boat fishing. Green Mirror works well inshore and in shallow water, adding contrast for sight fishing. Copper Silver Mirror is a versatile choice for changing light and mixed conditions, and Gray gives true colours on bright days. If you fish in many places, a green or copper lens is a good all-round pick.
Why are polarized sunglasses important for fishing?
Polarized lenses block the horizontal glare that reflects off the surface of the water. Without that glare you can see below the surface, which helps you spot fish, weed beds, rocks and changes in depth, and makes it easier to watch your line and lure. They also reduce eye strain and fatigue over a long day in bright light, and they protect your eyes from UV reflected off the water as well as direct sun.
Are glass lenses better than polycarbonate?
Glass lenses give the sharpest, clearest vision and are much more resistant to scratches, which is why many serious anglers prefer them. Polycarbonate lenses are lighter and more impact resistant, so some people choose them for active sports. Every Costa we currently stock uses a 580G glass lens, which suits long days fishing where clarity matters most. Store glass lenses in a case to protect them from knocks.
How do I clean Costa sunglasses?
Rinse your Costa sunglasses with fresh water after a day on the water to remove salt and sand before you wipe them, as dry wiping grit can scratch even a glass lens. Then clean the lenses with a lens cleaner or mild soapy water and dry them with a soft microfibre cloth. Avoid paper towels, clothing and household cleaners, and store them in their case when not in use to protect the frame and lenses.
Which Costa frames suit bigger faces?
Costa makes frames in a range of sizes, and models with XL in the name, such as the Spearo XL, are designed for larger faces. Wraparound frames like the King Tide 8, Reefton Pro and Tuna Alley Pro also give generous coverage. Fit should feel snug without pressing on your temples, and the frame should not slide down your nose when you look down. Try a few on in store to compare the fit.