costa sunglass parts
Worth a lookShows demand growing +119.0% this quarter, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Growth
Incredible+119.0%90-day search growth — must beat 0% to launch
Returns
Great1.7%return rate — above 5% kills the launch gate
Conversion
Great7.8%search→purchase rate — share of searches ending in a sale
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$11.90avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$8.82–$17.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$140K$140K/yr · 150K searches
Review moat
Bad8,152.09avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, costa sunglass parts is a $140K/yr Amazon United States market (150K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
costa sunglass parts market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- $149K–$179K
- units × avg price
- Conversion rate
- 7.8%
- Avg BSR
- #220
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 36%
- Out of stock
- 2.6%
- Avg brand age
- 53 months
- Avg seller age
- 192 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
4 flat
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
53%
Top 20: 98%
Open market
0%
- Costa Del Mar75%
- Pilotfish23%
- Maui Jim1%
- Buyisgle1%
Demand
Weekly Amazon search volume, last 41 weeks — +119.0% search growth over the last 90 days.Top costa sunglass parts search terms
- costa sunglass strap68K/yr
- costa sunglasses strap11K/yr
- costa glasses strap9K/yr
- maui jim sunglass strap7K/yr
- costa retainer7K/yr
- mens sunglasses with strap5K/yr
- croakies sunglass strap5K/yr
- costa croakies5K/yr
- costa sunglass straps4K/yr
- costa strap4K/yr
Top costa sunglass parts products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Costa C-Line Retainer Black 20in
Costa Del Mar$10.054.6★8,316 rev
Costa Del Mar Sunglasses and Glasses Strap Costa C-Line Adjustable Retainer Black 20in
Costa Del Mar$14.884.7★2,587 rev
Costa Del Mar Sunglasses and Glasses Strap Costa Bowline Silicone Retainer Black/Blue 19in
Costa Del Mar$12.084.6★3,411 rev
Costa Del Mar Sunglasses and Glasses Strap C-Line Retainer Royal Blue 20 Inches
Costa Del Mar$11.694.6★8,316 rev
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Tactical Black)
Pilotfish$11.184.4★17,896 rev
Newest
by launch date
Maui Jim Cablz Sunglass Retainer
Maui Jim$12.49335 rev
Costa Del Mar C-Line Loop Retainer Silver/Black 20 In
Costa Del Mar$15.1497 rev
Buyisgle Eye Glasses Holder Strap - Adjustable Sunglasses Straps Cords for Men Women - Eyeglass Holders Around Neck - Eyewear String Lanyard Retainer -2PCS14in Black
Buyisgle$8.821,847 rev
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Blaze Orange)
Pilotfish$11.1517,896 rev
Costa Del Mar Sunglasses and Glasses Strap C-Line Retainer Royal Blue 20 Inches
Costa Del Mar$11.698,316 rev
Trending
90-day click momentum
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch The Original)
Pilotfish$11.474.4★
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (16 Inch Gunmetal Gray)
Pilotfish$11.194.4★
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Original 2-Pack)
Pilotfish$17.914.4★
Pilotfish No Tail Adjustable Eyewear Retainer Cable Strap: Sunglasses Eyeglasses Glasses (14 Inch Blaze Orange)
Pilotfish$11.154.4★
Costa Del Mar Sunglasses and Glasses Strap C-Line Retainer Mint 20 Inches
Costa Del Mar$11.364.6★
What buyers say about costa sunglass parts
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality, Secure strap for Glasses”
“Great Fit”
“As shown in picture”
“its easy to adjust”
“Well Worth The Price”
“Light and comfortable”
“Simple and effective”
“it feels sturdy”
“They don't break”
“doesn't fall off”
What buyers complain about
“to short”
“Break easily”
“Disappointing quality control”
“Uncomfortable”
“not very comfortable”
“Didn't work for me”
“It is only a 10.00 dollar item”
“the cable is a little too stiff”
“Advertisement says two but only received one”
“Kept slipping off”
Top return reasons
Common questions
- Is costa sunglass parts profitable to sell on Amazon United States?
- The niche generates $140K/yr across 22 tracked products. 90-day search growth is +119.0%. Flapen's verdict: Worth a look (52/100).
- How competitive is the costa sunglass parts niche?
- 4 brands and 8 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in costa sunglass parts?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 1.7%.
- What does it cost to enter the costa sunglass parts niche?
- Listings span $8.82–$17.91; the average listing price is $11.90 (sweet spot $15–$100). The average incumbent carries 8,152 reviews — the moat a new listing must climb.