The short answer
For offshore sun, the Costa King Tide 6 in Blue Mirror 580G is a wide frame with side shields; for flats and inshore sight fishing, the Costa Fantail in Copper Green Mirror 580P is the regular-fit polycarbonate option; and for rivers and lakes, the Costa King Tide 8 in Copper Silver Mirror 580G is the full wrap with a lens Costa pitches for stream fishing.
Our verdict
Costa Fishing Glasses: Top Picks
Asked on r/Fishing_Gear why Costa is so common among anglers, one poster answered: “They built their brand making sunglasses specifically for fishing.” This guide is Costa only, by design. Every pick is a Costa frame and lens, chosen by fishing job: offshore, inshore flats, rivers and lakes, mixed light, and wide or narrow faces.
We compare eight pairs across six Costa frames, in 580G glass and 580P polycarbonate, with the lens colour, base tint, light transmission, frame fit and lens curve as Costa lists them. Each link opens the exact frame and lens colour reviewed, sold by Amazon.com at the time of writing. For the rest of your kit, browse our fishing gear guides.
Costa finder
Find the Costa pair for your water
Pick your water and a price tier. The suggestion is our editorial starting point among the eight Costa pairs below, drawn from Costa's lens and fit figures and the sources cited in each review, not a test result.
Tiers are relative to the glasses in this guide; live prices are in the comparison table below.
Compare the picks
Compare the 8 Costa Fishing Glasses
Each row names the frame and lens the link opens. Light transmission (VLT) is Costa’s figure; a lower number is a darker lens.
King Tide 8Full Wrap, Copper Silver GlassRivers, lakes, inshoreGlass$343.80
Evidence: Active Gear Review wore the King Tide 8 in Green Mirror 580G, not the linked Copper Silver Mirror
King Tide 6Offshore Blue Mirror GlassOffshore, wide facesGlass$343.80
Evidence: AllOutdoor wore the King Tide 6 in Green Mirror 580G, not the linked Blue Mirror
King Tide 6 RoseRose Glass, Mixed LightMixed light, lakesGlass$323.10
Evidence: Bassmaster, King Tide frames; lens not stated
Fantail 580PInshore Green Mirror PolyInshore, flatsPolycarbonate$233.00 Prime
Evidence: Guide Recommended wore a Fantail with plastic bronze lenses, not the linked Copper Green Mirror 580P
Spearo XLXXL Wide Fit, Gray PolyOffshore, wide facesPolycarbonate$202.50
Evidence: maker specs only, no independent test
Gulf ShoreNarrow Fit, Copper Silver PolyInshore, streams, narrow facesPolycarbonate$222.00 Prime
Evidence: maker specs only, no independent test
ClippertonCopper Poly, Lower TierLakes, everydayPolycarbonate$164.00 Prime
Evidence: maker specs only, no independent test
AletaRound Frame, Copper Silver GlassStreams, lakes, round-frame fansGlass$256.50
Evidence: maker specs only, no independent test
How We Matched Costa Frames and Lenses to Fishing Jobs
How this guide was built
built from manufacturer documentation, published third-party reviews and owner reports; we have not tested these products ourselves.
What each pair had to show
- A Costa 580 polarized lens in a colour Costa recommends for a named water or light, with its base tint and light transmission.
- A stated lens material: 580G glass or 580P polycarbonate.
- Costa’s fit and lens curve for the frame.
- The exact Amazon listing, checked for frame, lens, size, stock and seller.
Sources and how much each counts and what r/Fishing_Gear posters say
Sources and how much each counts
Costa’s site refused our reader, so Costa’s figures are quoted from its pages as Google shows them, and from Costa’s press room. Active Gear Review, AllOutdoor, Bassmaster and Guide Recommended are publishers that do not sell glasses (some earn affiliate commissions). Each wore a different lens colour, and in one case a different lens material, from the one we link; each review says so. We found no independent test of the Spearo XL, Gulf Shore, Clipperton or Aleta; those reviews rest on Costa’s figures.
Costa’s warranty page could not be read, so no warranty terms are quoted.
What r/Fishing_Gear posters say
In an r/Fishing_Gear thread asking which Costa to buy for trout and bass in lakes, one poster writes “The green 580G are my favorite lens,” and another says glass “is the way to go, but they are heavy and will wear out the top of your ears.” One disagrees with the brand entirely: “They are all cheap junk and the warranty is beyond useless.” In a second thread, a poster who has owned Maui Jim, Oakley and Ray-Ban says Costa green mirror lenses “are by far the best fishing sunglasses you can buy” for him, and that he has “had two pairs replaced under warranty.”
Best Costa Glasses for Fishing: Detailed Reviews
Costa King Tide 8, Full Wrap, Copper Silver Glass
Full Wrap, Copper Silver Glass
River, lake and inshore anglers who sight fish in changing light and want a full wrap with removable side shields.
$343.80 from AmazonAs of Nov 4, 03:56 UTCVerdict
Costa’s full-wrap frame with removable side shields, in the copper-based mirror lens Costa pitches for streams and changing light.
Evidence: Independently reviewed, same series. Active Gear Review: King Tide 8, Green Mirror 580G.
Costa says “the King Tide 8 features a full wrap with removable side shields,” and lists the frame as “Frame fit: Wide. Size: L. Lens curve: Base 8 Decentered.” The linked pair is Matte Sand with Copper Silver Mirror 580G glass, a lens Costa calls “Well-suited for stream fishing and other environments with varying light. Copper Base; 12% light transmission.”
Active Gear Review wore it with Green Mirror 580G, not this lens, sight fishing a mountain lake for trout: “With the side shields in place, virtually no light infiltrates, resulting in remarkably improved clarity.” Its verdict: “The King Tide 8 Sunglasses excel at their intended purpose.”
Trade-off against the King Tide 6 below: the King Tide 8 is the full eight-base wrap, the King Tide 6 the flatter six-base frame.
Specs (linked: King Tide 8, Matte Sand, Copper Silver Mirror 580G, 60 mm)
Pros
- Full eight-base wrap with removable side shields, per Costa
- Copper Silver Mirror lens Costa recommends for streams and varying light
Cons
- Premium tier, with both King Tide 6 pairs
- Reviewer tested a Green Mirror lens, not this one
Who should buy it
River, lake and inshore anglers who sight fish in changing light and want a full wrap with removable side shields.
- Lens: 580G glass, polarized, copper base with silver mirror (Costa)
- Light transmission: 12% (Costa)
- Fit: wide, size L (Costa), 60-18 (Amazon listing), Base 8 decentered, removable side shields (Costa)
- Price tier: $$$ (live Amazon price in the table above)
Costa King Tide 6, Offshore Blue Mirror Glass
Offshore and big-water anglers with wider faces who fish in full sun and want side shields.
$343.80 from AmazonAs of Nov 4, 03:55 UTCVerdict
A wide six-base frame with side shields in Costa’s offshore lens, Blue Mirror on a gray base.
Evidence: Independently reviewed, same series. AllOutdoor: King Tide 6, Green Mirror 580G.
The linked pair is Black Pearl with Blue Mirror 580G glass, which Costa describes as “Best for bright, full-sun situations on the open water and offshore. Gray Base; 10% light transmission.”
AllOutdoor wore the King Tide 6 for nine months, with Green Mirror rather than this Blue Mirror: “Even when making long runs offshore the wind and spray intrusion into the glasses was super manageable.” He found the side shields stopped “glare and reflections on the inner side of the lenses,” and called the price “a tough pill to swallow.”
Trade-off against the Spearo XL: the King Tide 6 has glass and side shields at the premium tier; the Spearo XL is polycarbonate in a larger XXL size, lower tier.
Specs (linked: King Tide 6, Black Pearl, Blue Mirror 580G, 58 mm)
Pros
- Blue Mirror lens Costa lists for full sun offshore, on a frame with side shields
- Side shields kept glare off the inside of the lenses, per AllOutdoor
Cons
- Premium tier; AllOutdoor called the price “a tough pill to swallow”
- Six-base medium wrap, less curve than the King Tide 8
Who should buy it
Offshore and big-water anglers with wider faces who fish in full sun and want side shields.
- Lens: 580G glass, polarized, gray base with blue mirror (Costa)
- Light transmission: 10% (Costa)
- Fit: wide, size XL (58-17), base 6, removable side shields (AllOutdoor spec list)
- Price tier: $$$ (live Amazon price in the table above)
Costa King Tide 6 Rose, Rose Glass, Mixed Light
Lake and inshore anglers who fish through changing weather.
$323.10 from AmazonAs of Nov 4, 03:56 UTCVerdict
The same King Tide 6 frame as pick 2, in Costa’s newer Rose glass lens for days that switch between sun and cloud.
Evidence: Independently reviewed, same series. Bassmaster: King Tide 6 and 8, lens not stated.
Costa introduced the 580G Rose lens in 2025 and names the King Tide among its frames. Its press release says the lens offers “a crisp, comfortable visual experience whether under bright sunlight or overcast skies,” and that “With a 14% Visible Light Transmission (VLT), wearers can naturally adapt to different light conditions.” The linked pair is Matte Black with Rose 580G.
Bassmaster’s King Tide review names no lens: “While the latter is clearly superior for sight fishing, the six-base model includes extended side panels to limit light intrusion.” The latter is the King Tide 8.
Trade-off against pick 2: same frame; Rose lets in more light (14% against 10%, per Costa) for mixed light, Blue Mirror is for full sun offshore.
Specs (linked: King Tide 6, Matte Black, Rose 580G, 58 mm)
Pros
- Rose glass lens Costa pitches for both bright sun and overcast skies
- Side-shield frame shared with pick 2
Cons
- Bassmaster rates the eight-base King Tide 8 ahead for sight fishing
- No independent test of the Rose lens found
- Lens: 580G glass, polarized, rose (Costa)
- Light transmission: 14% (Costa press release)
- Fit: wide, size XL (58-17), base 6, removable side shields (AllOutdoor spec list for the King Tide 6)
- Price tier: $$$ (live Amazon price in the table above)
Costa Fantail, Inshore Green Mirror Poly
Inshore and flats anglers with average-size faces who want a polycarbonate lens for long days in bright sun.
$233.00 from AmazonAs of Nov 4, 03:55 UTCVerdict
Costa’s regular-fit Fantail with the copper-based Green Mirror lens, in lighter 580P polycarbonate.
Evidence: Independently reviewed, same series. Guide Recommended: Fantail, plastic bronze lens.
Costa lists the Fantail as “Frame fit: Regular. Size: M. … Lens curve: Base 8 Decentered.” The linked pair is Tortoise with Copper Green Mirror 580P. For this lens Costa gives “Copper Base; 10% light transmission” and lists it for “Sight fishing in full sun; High contrast.” Costa describes 580P as “Lightweight polycarbonate for added comfort during longer fishing sessions.” Costa also sells this frame and lens in 580G glass; the linked pair is the 580P polycarbonate.
Guide Recommended, which says it compared 17 pairs on a trout river, wore a Fantail with plastic bronze lenses, not this exact Green Mirror: “These sunglasses excel at seeing fish.” Its caveats: it measured that lens at 11.4% VLT, “slightly on the darker side,” and noted the “absence of spring hinges.”
Trade-off against the Clipperton: both are regular-fit 580P frames; the Fantail adds a mirror and the copper-based Green Mirror Costa lists for full sun, at a higher tier.
Specs (linked: Fantail, Tortoise, Copper Green Mirror 580P, 59 mm)
Pros
- Copper-based Green Mirror lens Costa lists for sight fishing in full sun
- 580P polycarbonate, which Costa pitches for comfort on long days
Cons
- Polycarbonate: Costa pitches 580G glass, not 580P, for scratch resistance
- No spring hinges, per Guide Recommended
Who should buy it
Inshore and flats anglers with average-size faces who want a polycarbonate lens for long days in bright sun.
- Lens: 580P polycarbonate, polarized, copper base with green mirror (Costa)
- Light transmission: 10% (Costa)
- Fit: regular, size M (59-14), Base 8 decentered (Costa)
- Price tier: $$ (live Amazon price in the table above)
Costa Spearo XL, XXL Wide Fit, Gray Poly
Offshore and boat anglers with large heads who want a Costa that fits without paying for glass.
$202.50 from AmazonAs of Nov 4, 03:55 UTCVerdict
Costa’s XXL square frame for big faces, with a gray polycarbonate lens for harsh sun.
Evidence: No independent test; maker specs. Source: Costa Spearo XL page (search snippet) and Costa’s Amazon listing.
Costa lists the Spearo XL as “Frame fit: Wide. Size: XXL. Nosepad adjustable: No. Lens curve: Base 6.” The linked pair is Matte Black with Gray 580P, a lens Costa calls an “Everyday base for the harshest sun conditions”; Costa’s Amazon listing calls it “a great everyday choice for activities on water and land” and says “Costa’s 580 Polycarbonate provides high clarity, impact and scratch resistance along with lightweight all day wearability.” We found no independent test of the Spearo XL, and we did not find Costa’s light transmission figure for this gray lens.
Trade-off against the King Tide 6: the Spearo XL is the larger XXL size at a lower tier, with a polycarbonate lens; Costa’s specs we read do not mention side shields for it.
Specs (linked: Spearo XL, Matte Black, Gray 580P, 59 mm)
Pros
- Wide fit in size XXL, per Costa
- Gray lens Costa lists for the harshest sun
Cons
- Base 6 curve, flatter than the Base 8 frames here; no side shields in the Costa specs we read
- Maker specs only; Costa’s VLT for this lens not found
Who should buy it
Offshore and boat anglers with large heads who want a Costa that fits without paying for glass.
- Lens: 580P polycarbonate, polarized, gray (Costa listing)
- Light transmission: not found
- Fit: wide, size XXL (59-17), Base 6 (Costa)
- Model: 6S9013 (Amazon listing)
- Price tier: $ (live Amazon price in the table above)
Costa Gulf Shore, Narrow Fit, Copper Silver Poly
Narrow Fit, Copper Silver Poly
Inshore and river anglers with narrower faces who find regular-fit frames too wide.
$222.00 from AmazonAs of Nov 4, 03:56 UTCVerdict
Costa’s narrow-fit frame, for slimmer faces, in the Copper Silver Mirror lens Costa lists for inshore and stream sight fishing.
Evidence: No independent test; maker specs. Source: Costa Gulf Shore page (search snippet).
Costa lists the Gulf Shore as “Frame fit: Narrow,” with “A small lens front designed to fit those with a slightly narrow head.” The linked pair is Matte Black with Copper Silver Mirror 580P; on the Gulf Shore page Costa describes that lens as “In-shore/Intra-coastal stream and sight fishing,” and elsewhere gives “Copper Base; 12% light transmission.” We found no independent test of the Gulf Shore.
Trade-off against the Aleta: the Gulf Shore is Costa’s narrow fit, in polycarbonate at a lower tier; the Aleta is a regular-fit round frame (size L) with a glass lens.
Specs (linked: Gulf Shore, Matte Black, Copper Silver Mirror 580P, 66 mm)
Pros
- Narrow fit Costa designs for slimmer heads
- Copper Silver Mirror lens Costa lists for inshore and stream sight fishing
Cons
- Maker specs only
- Low stock on Amazon at writing
Who should buy it
Inshore and river anglers with narrower faces who find regular-fit frames too wide.
- Lens: 580P polycarbonate, polarized, copper base with silver mirror (Costa)
- Light transmission: 12% (Costa)
- Fit: narrow, size M (66-15), Base 8 decentered (Costa)
- Price tier: $ (live Amazon price in the table above)
Costa Clipperton, Copper Poly, Lower Tier
Lake and pond anglers, or anyone wanting one Costa for the water and the drive home, on a tighter budget.
$164.00 from AmazonAs of Nov 4, 03:56 UTCVerdict
A lower-tier way into Costa’s 580 lenses: a copper polycarbonate lens without a mirror.
Evidence: No independent test; maker specs. Source: Costa Clipperton page (search snippet).
Costa lists the Clipperton as a regular fit, size M. The linked lens is Copper 580P, which Costa says “Cuts glare for eye comfort in a variety of situations, from sight fishing to driving. 12% light transmission.” We found no independent test of the Clipperton.
Related guide: Best Kayaks for Ocean Fishing: A Sit-On-Top Buying Guide
Trade-off against the Fantail: the Clipperton has a plain copper lens with no mirror at a lower tier; the Fantail’s Green Mirror is the darker lens (10%) Costa lists for full sun.
Specs (linked: Clipperton, Tortoise, Copper 580P, 58 mm)
Pros
- Copper lens Costa lists for everything from sight fishing to driving
- One of three lower-tier picks here, by Amazon price at writing
Cons
- No mirror coating
- Maker specs only
Who should buy it
Lake and pond anglers, or anyone wanting one Costa for the water and the drive home, on a tighter budget.
- Lens: 580P polycarbonate, polarized, copper (Costa)
- Light transmission: 12% (Costa)
- Fit: regular, size M (58-18), frame width 130.6 mm, Base 8 decentered (Costa)
- Price tier: $ (live Amazon price in the table above)
Costa Aleta, Round Frame, Copper Silver Glass
Round Frame, Copper Silver Glass
Anglers with average-size faces who want Costa glass for rivers and lakes in a round frame that also works off the water.
$256.50 from AmazonAs of Nov 4, 03:55 UTCVerdict
A regular-fit round frame, listed as women’s on Amazon, with a 580G glass Copper Silver Mirror lens.
Evidence: No independent test; maker specs. Source: Costa Aleta page (search snippet).
Costa lists the Aleta as a regular fit, size L (54-19). The linked pair is Taupe Crystal with Copper Silver Mirror 580G, which Costa calls “Well-suited for stream fishing and other environments with varying light. Copper Base; 12% light transmission.” We found no independent test, and did not find Costa’s lens curve for this frame.
Trade-off against the King Tide 8: both carry Copper Silver Mirror 580G glass; the Aleta is a regular-fit round frame at a lower tier, and the King Tide 8 adds Costa’s Base 8 full wrap and removable side shields.
Specs (linked: Aleta, Taupe Crystal, Copper Silver Mirror 580G, 54 mm)
Pros
- Glass Copper Silver Mirror lens in a round frame
- Costa lists the lens for streams and varying light
Cons
- Round frame; Costa’s lens curve for it was not found
- Maker specs only
Who should buy it
Anglers with average-size faces who want Costa glass for rivers and lakes in a round frame that also works off the water.
- Lens: 580G glass, polarized, copper base with silver mirror (Costa)
- Light transmission: 12% (Costa)
- Fit: regular, size L (54-19), frame width 135 mm (Costa)
- Price tier: $$ (live Amazon price in the table above)
Choosing Costa Glasses for Fishing
Lens colour: blue mirror, green mirror, copper and more
Match the lens to the water. By Costa’s descriptions above: Blue Mirror for offshore sun, Green Mirror for sight fishing in full sun, Copper Silver Mirror for streams and varying light, plain Copper for everyday use, and Rose for mixed light. For dawn and dusk Costa makes Sunrise Silver Mirror at 25% light transmission, “Low light/overcast conditions,” and notes it is not suitable for driving; none is linked here because we could not confirm Amazon.com as the seller of any Sunrise Silver Mirror listing we checked. Before picking a lens for bass water, see our bass fishing tips for beginners.
Costa 580G or 580P: glass or polycarbonate
Costa pitches 580G glass for scratch resistance and 580P polycarbonate for comfort on long days, and says its 580G lenses are “20% thinner and 22% lighter than standard polarized glass.” Four picks here are glass (King Tide 8, both King Tide 6 pairs, Aleta) and four polycarbonate.
Frame fit, lens curve and side shields
Costa sorts frames by fit (narrow, regular, wide) and by lens curve (base 6 or base 8). AllOutdoor describes the King Tide 6 as “a medium wrap” and the King Tide 8 as “a full wrap.” The King Tide frames add removable side shields. On the water in full sun, a fly fishing sun mask covers what glasses leave bare. For the rest of a saltwater setup, see our guides to line for saltwater fishing and artificial baits for snook.
Frequently Asked Questions
Q. Is Costa 580P or 580G better?
Neither is better for every angler. Costa positions 580G glass for scratch resistance and durability, and 580P polycarbonate for light weight and comfort on long days. A poster on r/Fishing_Gear sums up the trade: glass “is the way to go, but they are heavy.”
Q. Are Costas worth it for fishing?
The reviewers cited here praise the King Tide and Fantail on the water. The cost is the main objection: AllOutdoor called the King Tide 6 price “a tough pill to swallow,” and one r/Fishing_Gear poster calls the brand “cheap junk.” A poster in the second thread says he never paid more than 60% of retail by buying last season’s styles.
Q. What are the best Costa glasses for bass fishing?
For lakes and ponds, Costa’s copper-based lenses are the ones it lists for sight fishing and varying light: the King Tide 8 in Copper Silver Mirror at the premium tier, or the Clipperton in Copper at the lower tier. For freshwater rods to go with them, see our freshwater fishing rods guide.
The bottom line
Final Verdict
Offshore: the Costa King Tide 6 (check price) in Blue Mirror glass, or the Costa Spearo XL (check price) for big faces at a lower tier. Inshore and flats: the Costa Fantail (check price) in Copper Green Mirror 580P, or the narrow Costa Gulf Shore (check price). Rivers and lakes: the full-wrap Costa King Tide 8 (check price), the lower-tier Costa Clipperton (check price) or the round-frame Costa Aleta (check price). Changing light: the Costa King Tide 6 Rose (check price).
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
