dock box
Skip itPrices mostly outside the sweet spot ($28.67–$1223.18) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Growth
Incredible+143.4%90-day search growth — must beat 0% to launch
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Good$327K$327K/yr · 86K searches
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,618.23avg incumbent reviews — the moat a new listing must climb
Avg price
Bad$353.64avg listing price — sweet spot $15–$100
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Brand share
Bad96%top-5 brand share — brand-locked demand
Price range
Bad$28.67–$1223.18cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, dock box is a $327K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 49/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
dock box market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $265K–$354K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #90
- Page quality
- 0%
- Prime
- 50%
- Sponsored
- 95%
- Out of stock
- 0.0%
- Avg brand age
- 42 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
84
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
63%
Top 20: 99%
Open market
2%
- LIFETIME40%
- TaylorMade24%
- Keter16%
- Devoko9%
- TARKARI8%
- KFY2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +143.4% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 3.7×
Top dock box search terms
- dock box51K/yr
- dock boxes outdoor waterproof16K/yr
- dock boxes marine10K/yr
- dock storage box5K/yr
- marine dock box4K/yr
Top dock box 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
LIFETIME Outdoor Storage Deck Box 130 Gallon Arctic White Lockable UV-Protected for Decks and Marine Docks
LIFETIME$255.124.5★10,359 rev
TAYLOR MADE PRODUCTS Stow N Go Medium Fiberglass Dock Box White (24H x 72W x 23D) Fiberglass construction UV gelcoat finish stainless steel lockable latch and hardware 2020108642
TaylorMade$931.114.3★184 rev
Keter 150 Gallon Resin Large Deck Box Organization and Storage Box for Patio Outdoor Cushions Garden Tools Brown
Keter$163.624.5★14,550 rev
LIFETIME 60040 Deck Box 130 Gallon Desert Sand
LIFETIME$176.314.5★10,359 rev
LIFETIME 60012 Extra Large Deck Box 130 Gallon Desert Sand/Brown
LIFETIME$149.434.5★10,359 rev
Newest
by launch date
KFY 320 Gallon Waterproof Outdoor Storage Box UV Resistant Resin Deck Box with Hydraulic Rod for Reinforced Stability Perfect for Patio Garden and PoolBlack320 Gallon
KFY$248.22454 rev
TARKARI 320 Gallon Lockable Resin Deck Box Waterproof & UV-Resistant Outdoor Storage Box for Outdoor Cushion Storage Garden Tools & Pool Accessories Storage Black
TARKARI$255.361,004 rev
TARKARI 275 Gallon Resin Deck Box Waterproof Outdoor Storage Box Lockable for Patio Furniture Garden Tools Pool Accessories UV-Resistant for All Weather Use Black
TARKARI$200.18146 rev
MAIUSCOLI 150 Gallon Waterproof Outdoor Storage Box Resin Deck Box Lockable Outside Storage Box Container for Patio Furniure Garden Tools (150 Gallon Black)
MAIUSCOLI$110.53967 rev
Devoko 80 Gallon Storage Bench Deck Box Lockable for Patio Furniture Garden Decor and Outdoor Seating for Cushions Garden Tools and Pool Supplies (Black)
Devoko$130.58633 rev
Trending
90-day click momentumTARKARI 275 Gallon Resin Deck Box Waterproof Outdoor Storage Box Lockable for Patio Furniture Garden Tools Pool Accessories UV-Resistant for All Weather Use Black
TARKARI$200.184.2★
Devoko 80 Gallon Storage Bench Deck Box Lockable for Patio Furniture Garden Decor and Outdoor Seating for Cushions Garden Tools and Pool Supplies (Black)
Devoko$130.584.4★
KFY 320 Gallon Waterproof Outdoor Storage Box UV Resistant Resin Deck Box with Hydraulic Rod for Reinforced Stability Perfect for Patio Garden and PoolBlack320 Gallon
KFY$248.224.3★
TAYLOR MADE STOW N GO DOCK BOX 46 X 27 X 26 DEEP SMALL
TaylorMade$812.723.5★
Keter City 30 Gallon Resin Outdoor Storage Box and Patio Furniture Side Table for Pool and Garden Accessories Brown
Keter$31.154.5★
What buyers say about dock box
What buyers praise and complain about, mined from review topics.What buyers love
“Easy assemble”
“Lots of space”
“Easy assembly, sturdy”
“Nice solid quality”
“Worth it”
“Good size”
“Very Durable”
“The box is waterproof”
“Exactly what I needed”
“Love it comes in handy”
What buyers complain about
“Assembly Difficult”
“pretty cheap quality”
“Too flimsy”
“Not water proof”
“Bad instructions”
“Its Big”
“kept falling apart”
“that's probably why it's cheaper They got more of them than they want then we'll sell so they lower the price to move them out”
“Very, very thin material”
“defective part”
Top return reasons
Common questions
- Is dock box profitable to sell on Amazon United States?
- The niche generates $327K/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +143.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the dock box niche?
- 7 brands and 84 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in dock box?
- Top complaints mined from reviews: Assembly/Installation, Quality-Overall, Strength. The return rate is 0.7%.
- When does demand for dock box peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 3.7× the quietest.
- What does it cost to enter the dock box niche?
- Listings span $28.67–$1223.18; the average listing price is $353.64 (sweet spot $15–$100). The average incumbent carries 3,618 reviews — the moat a new listing must climb.