5/8 rope
Worth a lookShows a sweet-spot price point ($49.12 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$49.12avg listing price — sweet spot $15–$100
Review moat
Great382.44avg incumbent reviews — the moat a new listing must climb
Growth
Great+73.5%90-day search growth — must beat 0% to launch
Returns
Great1.8%return rate — above 5% kills the launch gate
Competition
Great39%top-5 click share — an open shelf
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Brand share
Good72%top-5 brand share — brands hold most of the demand
Price range
Okay$16.53–$247.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$149K$149K/yr · 44K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 5/8 rope is a $149K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 62/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
5/8 rope market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $123K–$147K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #169
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 87%
- Out of stock
- 10.0%
- Avg brand age
- 63 months
- Avg seller age
- 182 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
28 falling
Sellers
49
Top-5 brand share
72%
Top 20: 94%
Top-5 click share
39%
Top 20: 79%
Open market
26%
- PACTHSD50%
- SyKrinitual9%
- PropelTech6%
- Aoneky4%
- WAVESRX3%
- Robbor3%
Demand
Weekly Amazon search volume, last 12 weeks — +73.5% search growth over the last 90 days.Top 5/8 rope search terms
- 5/8 rope17K/yr
- dock lines 5/810K/yr
- 5/8 dock lines for boats6K/yr
- 5/8 dock line4K/yr
- 5/8 nylon rope4K/yr
- 5/8 dock lines3K/yr
Top 5/8 rope 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
PACTHSD 4 Pack 5/8 x 20 Dock Lines - Marine Grade Nylon Boat Rope with 15 Loop for Docking and Mooring - Double Braided Boat Lines High Strength Easy Handling Fray Resistant - Black
PACTHSD$52.264.8★139 rev

PACTHSD Double Braid 5/8 x 20 Boat Dock Lines (4-Pack) Nylon Boat Ropes for Docking with 15 Spliced Eye Heavy Duty Marine Rope Soft & Durable Boat Lines for Pontoon and Light Boat (Navy Blue)
PACTHSD$52.624.9★62 rev

Arborist Rope 5/8in Climbing Rope Tree Rope for Outdoor Climbing Swing Sailing Halyard
SyKrinitual$42.924.6★17 rev

PACTHSD Boat Dock Lines Marine Rope 5/8 x 15 Marine-Grade Double Braided Nylon Dock Line with 15 Loop Boat Lines Dock Rope Easy Handling Dock Lines for Boats Fray Resistant - 2 Pack Black
PACTHSD$31.614.8★154 rev

PACTHSD 2 Pack 5/8 x 20 Dock Lines - Marine Grade Nylon Boat Rope with 15 Loop for Docking and Mooring - Double Braided Boat Lines High Strength Easy Handling Fray Resistant - Black
PACTHSD$33.844.8★177 rev
Newest
by launch date
RainierSupplyCo Dock Lines 2-Pack - Boat Rope for Docking with Loop - 15 ft x 5/8 Inch Premium Double Braided Nylon Marine Rope - Mooring Line with 15 Eyelet - Boat Accessories - Black
Rainier Supply Co$30.332,838 rev

PACTHSD Double Braid 5/8 x 20 Boat Dock Lines (4-Pack) Nylon Boat Ropes for Docking with 15 Spliced Eye Heavy Duty Marine Rope Soft & Durable Boat Lines for Pontoon and Light Boat (Navy Blue)
PACTHSD$52.6262 rev

PACTHSD Double Braid 5/8 x 15 Boat Dock Lines (2-Pack) Nylon Boat Ropes for Docking with 15 Spliced Eye Heavy Duty Marine Rope Soft & Durable Boat Lines for Pontoon and Light Boat (Navy Blue)
PACTHSD$31.8562 rev

Arborist Rope 5/8in Climbing Rope Tree Rope for Outdoor Climbing Swing Sailing Halyard
SyKrinitual$42.9217 rev

Arborist Rope 5/8in Climbing Rope Tree Rope for Outdoor Climbing Swing Sailing Halyard
SyKrinitual$42.7917 rev
Trending
90-day click momentum
RainierSupplyCo Dock Lines 2-Pack - Boat Rope for Docking with Loop - 15 ft x 5/8 Inch Premium Double Braided Nylon Marine Rope - Mooring Line with 15 Eyelet - Boat Accessories - Black
Rainier Supply Co$30.334.8★

PACTHSD 2 Pack 5/8 x 20 Dock Lines - Marine Grade Nylon Boat Rope with 15 Loop for Docking and Mooring - Double Braided Boat Lines High Strength Easy Handling Fray Resistant - Black
PACTHSD$33.844.8★

PACTHSD Boat Dock Lines Marine Rope 5/8 x 15 Marine-Grade Double Braided Nylon Dock Line with 15 Loop Boat Lines Dock Rope Easy Handling Dock Lines for Boats Fray Resistant - 2 Pack Black
PACTHSD$31.614.8★

PACTHSD Double Braid 5/8 x 20 Boat Dock Lines (4-Pack) Nylon Boat Ropes for Docking with 15 Spliced Eye Heavy Duty Marine Rope Soft & Durable Boat Lines for Pontoon and Light Boat (Navy Blue)
PACTHSD$52.624.9★

PACTHSD Double Braid 5/8 x 15 Boat Dock Lines (2-Pack) Nylon Boat Ropes for Docking with 15 Spliced Eye Heavy Duty Marine Rope Soft & Durable Boat Lines for Pontoon and Light Boat (Navy Blue)
PACTHSD$31.854.9★
What buyers say about 5/8 rope
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality and worked perfectly for securing the boat”
“Theyve got that perfect balance of strength”
“Supple for diameter, finished well, let me sleep well”
“Just as described”
“quick and easy”
“Good price”
“Strong and Durable”
“New, looks fine- no damages”
“Love the color”
“Good stuff, minimal stretch under heavy load as well”
What buyers complain about
“Not as good as braided”
“Breaks easily”
Top return reasons
Common questions
- Is 5/8 rope profitable to sell on Amazon United States?
- The niche generates $149K/yr across 45 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is +73.5%. Flapen's verdict: Worth a look (62/100).
- How competitive is the 5/8 rope niche?
- 28 brands and 49 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 72% of demand.
- What do buyers complain about in 5/8 rope?
- Top complaints mined from reviews: Quality-Overall, Durability. The return rate is 1.8%.
- What does it cost to enter the 5/8 rope niche?
- Listings span $16.53–$247.24; the average listing price is $49.12 (sweet spot $15–$100). The average incumbent carries 382 reviews — the moat a new listing must climb.