Frequently Asked Questions
Are Costa Gulf Shore sunglasses prescription-ready?
What is the difference between Costa 580P and 580G lenses?
How much do Costa Gulf Shore sunglasses weigh?
What size face do Costa Gulf Shore sunglasses fit?
What are Costa bio-based frames made from?
Do Costa Gulf Shore sunglasses have 100% UV protection?
Compare With Similar Frames
How the Costa Del Mar Gulf Shore 9074 Sunglasses stacks up against the closest alternatives we carry.
- Best-selling Costa rimless model with proven track record
- Weighs only 16 grams - one of the lightest options available
- Same 580P lens technology and bio-based frame construction
- Full-rim construction may offer more durability for rough use
- Bio-resin frame material with rectangular shape
- Available with Costa's polarized lens options
Read the full comparison
Costa Gulf Shore vs. Costa Ballast: Choosing Your Rimless Style
Both the Costa Gulf Shore 9074 and Costa Ballast 9071 belong to Costa's acclaimed Boundless Collection of rimless sunglasses, and they share the same core DNA: bio-based resin temples, 580P polarized lenses, and that signature lightweight 'forget-they're-on' fit. At the same $201-$222 price point, your choice comes down to subtle differences in lens shape and personal preference.
The Ballast is Costa's best-selling rimless model for good reason—it weighs just 16 grams and has earned a loyal following among anglers who wear them sunrise to sunset. The Gulf Shore offers a rectangular lens shape that provides excellent coverage and a slightly different aesthetic, named after the iconic Alabama coastline. Both feature integral hinge technology, rubberized nose pads, and the same color-enhancing 580 lens technology that filters harmful blue and yellow light.
If you're deciding between these two, consider trying both to see which lens shape complements your face better. The performance will be identical—both deliver Costa's professional-grade optics in a rimless package that disappears on your face.
Rimless vs. Full-Rim: Gulf Shore vs. Rinconcito
Choosing between the rimless Gulf Shore and the full-rim Rinconcito 9016 is really a question of priorities: maximum lightness or traditional durability. The Gulf Shore's rimless construction eliminates frame weight and maximizes your field of vision—you get an unobstructed view and barely feel them on your face. The Rinconcito's full-rim bio-resin frame adds structure and may appeal to those who prefer a more substantial feel or need extra durability for demanding conditions.
Both are rectangular Costa frames with polarized lenses and similar pricing, but the Gulf Shore wins on weight and comfort for all-day wear, while the Rinconcito offers the reassurance of a complete frame surrounding the lenses. For fishing, paddling, or any activity where you'll be wearing sunglasses for hours, the Gulf Shore's rimless design is hard to beat.
At a Glance
Costa Del Mar Ballast 9071 Sunglasses
Pros:
- Best-selling Costa rimless model with proven track record
- Weighs only 16 grams - one of the lightest options available
- Same 580P lens technology and bio-based frame construction
- Slightly different lens shape may fit some face shapes better
Cons:
- Same price range as Gulf Shore ($201-$222)
- May have different lens dimensions - check fit carefully
- Both models offer similar features, so choice comes down to subtle shape preference
Costa Del Mar Rinconcito 9016 Sunglasses
Pros:
- Full-rim construction may offer more durability for rough use
- Bio-resin frame material with rectangular shape
- Available with Costa's polarized lens options
- Price range overlaps with Gulf Shore ($133-$296)
Cons:
- Heavier than rimless Gulf Shore due to full-rim construction
- Less 'forget-they're-on' comfort compared to rimless design
- Full rim may obstruct peripheral vision slightly compared to rimless







