Dock Defender
MaybeThe average product has only 88 reviews. But the top 5 brands take 100% of clicks, so Dock Defender is a Maybe.
- Flapen Score
- 55 / 100Top 22% of 8,101 Sports & Outdoors niches · +8 vs the category median of 4755
- Market size
- $64K/yr19K searches / yr
- 90-day growth
- +110.7%search demand this quarter
- Competition
- 75%top-5 click share · 4 brands · 5 sellers
Flapen Score
Dock Defender against its category
The dotted line is the Sports & Outdoors average. Past it, Dock Defender is stronger. Inside it, weaker.
Market
The Dock Defender market on Amazon at a glance
Shoppers on Amazon United States searched for Dock Defender 19K times last year and spent an estimated $64K. All 4 brands take every click. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 4.0% of those searches ended in a purchase.
Shoppers searched for this 19K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.0% of those searches ended in a purchase. Searches in the last 90 days moved +110.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $64K a year.
- Searches, last 12 months
- 19K
- Growth, 90 days vs prior 90
- +110.7%
- Conversion, latest week
- 4.0%
- Market size, estimated
- $64Ka year
- Top search term
- dock defender13K searches a year
02 · Price
A sale here is worth $83.61.
Listings sell for $83.61 on average, from $25.65 to $147.28. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $83.61 that is $0 to $8K a year per listing.
- Average price
- $83.61inside the $15 to $100 sweet spot
- Price range
- $25.65–$147.28
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 100–250
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$8K
- Returns
- 1.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
30% of listings pay for placement with sponsored ads. 60% ship with Prime. On an average day, 1.5% of listings are out of stock. The average listing ranks #435 within Docking & Anchoring Equipment. It carries 88 reviews at 4.03 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 30%
- Prime listings
- 60%
- Out of stock, average day
- 1.5%
- Average rank
- #435in Docking & Anchoring Equipment
- Average rating
- 4.03 starsAmazon United States average 4.42 stars
- Average reviews
- 88per listing
- Listings tracked
- 10
04 · Newcomers
2 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top Dock Defender products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Dock D-Fender Black Charcoal Boat Docking System
- Price
- $147.17
- Rating
- 3.5/5
- Reviews
- 30
- Age
- 1y ago

Dock D-Fender Blue Ice Boat Docking System
- Price
- $147.28
- Rating
- 3.5/5
- Reviews
- 30
- Age
- 1y ago

Giftaroo Boat Docking Rods 2 Pack 22 Inch Bungee Dock Lines for Pontoon Bass and Fishing Boats Shock Absorbing Cleat Tie Downs for Temporary Mooring Boat Accessories Gift
- Price
- $36.75
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 3mo ago

CSUPPCREA 22 Heavy Duty Dock Defender Rods for Boat Docking Boat Tie Downs Gadgets Accessories with Stainless Steel Hooks Gifts for Ship Owner
- Price
- $60.53
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 11mo ago

Dock D-Fender Red Fire Boat Docking System
- Price
- $146.84
- Rating
- 3.5/5
- Reviews
- 30
- Age
- 1y ago
Trending
estimated 90-day click momentum
Giftaroo Boat Docking Rods 2 Pack 22 Inch Bungee Dock Lines for Pontoon Bass and Fishing Boats Shock Absorbing Cleat Tie Downs for Temporary Mooring Boat Accessories Gift
- Price
- $36.75
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 3mo ago

DL Fender Rod Holder For Boat Fenders - Effortless Fender Management With Versatile Boat Docking Tool - Multifunctional Fender Adjuster Holder Also Doubles as Boarding and Exiting Handle - White
- Price
- $25.65
- Rating
- 4.7/5
- Reviews
- 629
- Age
- 12y ago

CSUPPCREA 22 Heavy Duty Dock Defender Rods for Boat Docking Boat Tie Downs Gadgets Accessories with Stainless Steel Hooks Gifts for Ship Owner
- Price
- $60.53
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 11mo ago

CSUPPCREA 16 Bungee Heavy Duty Dock Defender Rods for Boat Docking 2-Pack Internal Galvanized Steel Pipe Jon & Pontoon Boat Accessories Tethering System Gifts for Ship Owner
- Price
- $41.55
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 11mo ago

Dock D-Fender Grey Gun Metal Boat Docking System
- Price
- $147.10
- Rating
- 4.7/5
- Reviews
- 4
- Age
- 1y ago
Newest
by launch date
Giftaroo Boat Docking Rods 2 Pack 22 Inch Bungee Dock Lines for Pontoon Bass and Fishing Boats Shock Absorbing Cleat Tie Downs for Temporary Mooring Boat Accessories Gift
- Price
- $36.75
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 3mo ago

CSUPPCREA 22 Heavy Duty Dock Defender Rods for Boat Docking Boat Tie Downs Gadgets Accessories with Stainless Steel Hooks Gifts for Ship Owner
- Price
- $60.53
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 11mo ago

CSUPPCREA 16 Heavy Duty Stainless Steel Hooks Dock Defender Rods 2 Pack Ski & Pontoon Boat Owner Gifts Accessories Mooring Poles Replacement for Dock Lines & Mooring Whips
- Price
- $49.96
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 11mo ago

CSUPPCREA 16 Bungee Heavy Duty Dock Defender Rods for Boat Docking 2-Pack Internal Galvanized Steel Pipe Jon & Pontoon Boat Accessories Tethering System Gifts for Ship Owner
- Price
- $41.55
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 11mo ago

Dock D-Fender Blue Ice Boat Docking System
- Price
- $147.28
- Rating
- 3.5/5
- Reviews
- 30
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 75% of clicks. A locked shelf that new listings rarely crack.
Brands
4 rising
Sellers
5
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
75%
Top 20: 100%
Open market
0%
- Dock D-Fender58%
- CSUPPCREA23%
- Giftaroo11%
- DO-LITTLE FENDER ADJUSTERS7%
Demand
Dock Defender search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov · busiest ÷ quietest = 32.1× · 10 of 12 months tracked
Reviews and returns
What reviews say buyers love and hate about Dock Defender
We read the reviews and the return reasons for every product selling here.
“Ropes just were not cutting it”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Dock Defender questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









