Hydrofoil
Worth a lookShows demand growing +96.9% this quarter, but prices mostly outside the sweet spot ($20.00–$7064.46) keeps it on the watch list.
Growth
Great+96.9%90-day search growth — must beat 0% to launch
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Review moat
Good600.51avg incumbent reviews — the moat a new listing must climb
Market size
Good$700K$700K/yr · 102K searches
Brand share
Good70%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Bad5.6%return rate — above 5% kills the launch gate
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Avg price
Bad$461.58avg listing price — sweet spot $15–$100
Price range
Bad$20.00–$7064.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Is hydrofoil profitable on Amazon?
According to Flapen's Amazon United States niche tracking, hydrofoil is a $700K/yr Amazon United States market (102K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 53/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
hydrofoil market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $692K–$923K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #997
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 83%
- Out of stock
- 3.9%
- Avg brand age
- 50 months
- Avg seller age
- 179 days
Competition: brands, sellers & click share
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
103
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
42%
Top 20: 83%
Open market
24%
- SE SPORT29%
- STINGRAY HYDROFOILS11%
- QNCKJZV11%
- NorthBoat10%
- QUICKMARINER9%
- UANOFCN6%
hydrofoil demand & seasonality
Weekly Amazon search volume, last 104 weeks — +96.9% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.8×
Top hydrofoil search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- hydrofoil33K/yr
- hydrofoil for outboard motor20K/yr
- cavitation plate for outboard motor8K/yr
- whale tail for outboard motor8K/yr
- hydrofoil for outboard8K/yr
- hydro foil7K/yr
- outboard hydrofoil6K/yr
- cavitation plate6K/yr
- boat hydrofoil4K/yr
- hydrofoil stabilizer3K/yr
Top hydrofoil products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
Universal Whale Tail Hydrofoil Stabilizer Fin Kit for Outboard & Stern Drive Motors (5-150 HP) - Enhance Performance & Stability (Classic Black)
QNCKJZV$20.004.5★29 rev
QuickMarine Boat Hydrofoil Stabilizer for Marine Outboard Drive 5-150 HP and Sterndrive Motors made of PA66 Plastic Black
QUICKMARINER$29.774.5★155 rev
Sport Marine SE Sport 300 High Performance Hydrofoil for 40-350HP Motors White
SE SPORT$67.294.7★651 rev
SE Sport 300 Hydrofoil
SE SPORT$66.844.7★2,520 rev
Whale Tail Hydrofoil Stabilizer Universal for 40 to 300 HP Outboard and Outdrive Boat Engines Silver
NorthBoat$64.794.4★38 rev
Newest
by launch date
Lifepro Vibration Plate for Lymphatic Drainage VibranceX Oscillating Curved Vibration Platform with LED Intensity Lights 60 Speed Levels Remote Control Whole-Body Vibrating Plate Exercise Machine
Lifepro$140.7065 rev
Electric Hydrofoil Surfboard 8000W eFoil Foil Board for Adults Supports Up to 286 lbs for Surfing High-Speed Electric Surfboard with Wireless Remote Rechargeable Motorized Hydrofoil Board
BEYOND MARINA$7064.462 rev
Whale Tail Hydrofoil Stabilizer Universal for 40 to 300 HP Outboard and Outdrive Boat Engines Silver
NorthBoat$64.7938 rev
Whale Tail Hydrofoil Stabilizer for Outboard Motor 40-300 HP & Sterndrive
QUICKMARINE$67.3338 rev
Boat Hydrofoil Stabilizer for 40-350 HP Outboard & Stern Drive Marine Motor
SeaSierra$65.5630 rev
Trending
90-day click momentumLifepro Vibration Plate for Lymphatic Drainage VibranceX Oscillating Curved Vibration Platform with LED Intensity Lights 60 Speed Levels Remote Control Whole-Body Vibrating Plate Exercise Machine
Lifepro$140.704.5★
Universal Whale Tail Hydrofoil Stabilizer Fin Kit for Outboard & Stern Drive Motors (5-150 HP) - Enhance Performance & Stability (Classic Black)
QNCKJZV$20.004.5★
QuickMarine Boat Hydrofoil Stabilizer for Marine Outboard Drive 5-150 HP and Sterndrive Motors made of PA66 Plastic Black
QUICKMARINER$29.774.5★
Whale Tail Hydrofoil Stabilizer Universal for 40 to 300 HP Outboard and Outdrive Boat Engines Silver
NorthBoat$64.794.4★
Electric Hydrofoil Surfboard 8000W eFoil Foil Board for Adults Supports Up to 286 lbs for Surfing High-Speed Electric Surfboard with Wireless Remote Rechargeable Motorized Hydrofoil Board
BEYOND MARINA$7064.465.0★
What reviews say buyers love and hate about hydrofoil
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to Use”
“Increased Efficiency”
“The price was great”
“As advertised”
“was easy to set up”
“it fits securely once mounted”
“The machine itself is incredibly sturdy”
“works smoothly without making a noise”
“Works Wonders”
What buyers complain about
“To small”
“DO NOT BUY - It lasted about 4 months”
“Size is misleading”
“expensive compared to other products”
“deffinitely doesn't improve speed performance”
“Questionable engineering because it has no flexibility at all”
“Mounting: This is where it got a little tricky”
“Doesn't fit Johnson 9.9”
“It makes loud noise”
“The inside packing material was crumbled and trashed and the item was clearly NOT a new factory packed item”
Top return reasons
Common hydrofoil questions
- Is hydrofoil profitable to sell on Amazon United States?
- The niche generates $700K/yr across 41 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +96.9%. Flapen's verdict: Worth a look (53/100).
- How competitive is the hydrofoil niche?
- 20 brands and 103 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in hydrofoil?
- Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 5.6% — above our launch gate.
- When does demand for hydrofoil peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.8× the quietest.
- What does it cost to enter the hydrofoil niche?
- Listings span $20.00–$7064.46; the average listing price is $461.58 (sweet spot $15–$100). The average incumbent carries 601 reviews — the moat a new listing must climb.