fish finder
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size
Incredible$3.2M$3.2M/yr · 2.2M searches
Growth
Good+54.0%90-day search growth — must beat 0% to launch
Avg price
Good$171.25avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay1,861.3avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.6%return rate — above 5% kills the launch gate
Competition
Bad81%top-5 click share — a locked-up shelf
Price range
Bad$42.82–$407.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, fish finder is a $3.2M/yr Amazon United States market (2.2M searches/yr). The top 5 brands hold 97% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 44/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
fish finder market data
- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- $2.6M–$3.4M
- units × avg price
- Conversion rate
- 0.9%
- Avg BSR
- #52
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 47 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
116
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
0%
- Humminbird63%
- Garmin21%
- Hawkeye7%
- Lowrance4%
- LUCKY3%
- Malutoothzi3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +54.0% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 2.5×
Top fish finder search terms
- fish finder764K/yr
- fish finder for boat192K/yr
- depth finders for boats148K/yr
- depth finder96K/yr
- garmin fish finders72K/yr
- garmin striker 4101K/yr
- hummingbird fish finder82K/yr
- portable fish finder81K/yr
- kayak fish finder68K/yr
- fish finder for kayaks66K/yr
Top fish finder 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Humminbird PiranhaMAX 4 Fish Finder with Transducer Dual Beam Sonar
Humminbird$127.284.6★1,296 rev
Humminbird Piranhamax 4 DI
Humminbird$164.454.6★629 rev
Garmin 010-01550-00 Striker 4 with Transducer 3.5 GPS Fishfinder with Chirp
Garmin$131.214.6★9,291 rev
DepthTrax 2B Boat Mount In Dash Digital Depth Finder
Hawkeye$89.364.3★1,308 rev
Garmin Striker Vivid 4cv Fishfinder with Transducer - 4-inch LCD Display - Easy-to-Use Scanning Sonar - Color Palettes 11.2 Ounces (010-02550-00)
Garmin$190.404.7★1,784 rev
Newest
by launch date
Underwater Fishing Camera Portable Fish Finder with 7 LCD Monitor IP68 Waterproof 1200TVL HD Fishing Camera with 12pcs White Lights for Lake Kayak Boat Ice Dark Fishing (98ft/30M Cable)
Malutoothzi$141.4010 rev
Lowrance Eagle 4X FishFinder with Bullet Transducer 4-inch IPS Portrait Screen Black 000-16110-001
Lowrance$116.8085 rev
Humminbird Helix 5 G3 GPS Fish Finder with Transducer & Dual Spectrum Chirp Sonar
Humminbird$301.41457 rev
LUCKY Kayak Portable Fish Depth Finder Water Handheld Fish Finder Sonar Castable Kayak Boat Fishfinder Transducer Fishing LCD Display FFC1108
LUCKY$42.823,214 rev
Garmin Striker Vivid 4cv Fishfinder with Transducer - 4-inch LCD Display - Easy-to-Use Scanning Sonar - Color Palettes 11.2 Ounces (010-02550-00)
Garmin$190.401,784 rev
Trending
90-day click momentumUnderwater Fishing Camera Portable Fish Finder with 7 LCD Monitor IP68 Waterproof 1200TVL HD Fishing Camera with 12pcs White Lights for Lake Kayak Boat Ice Dark Fishing (98ft/30M Cable)
Malutoothzi$141.404.5★
Humminbird PiranhaMAX 4 Fish Finder with Transducer Dual Beam Sonar
Humminbird$127.284.6★
DepthTrax 2B Boat Mount In Dash Digital Depth Finder
Hawkeye$89.364.3★
Humminbird Piranhamax 4 DI
Humminbird$164.454.6★
Humminbird Helix 5 G3 GPS Fish Finder with Transducer & Dual Spectrum Chirp Sonar
Humminbird$301.414.5★
What buyers say about fish finder
What buyers praise and complain about, mined from review topics.What buyers love
“Worth the money”
“Great quality, easy to install”
“Easy to use”
“It works”
“Great little fish finder”
“Works like advertised”
“Perfect size”
“Nice compact unit”
“The display & transducer work”
“Easy to install”
What buyers complain about
“Dont work correctly”
“Already stopped working after very minimal use”
“Horribly crappy equipment”
“A replacement is on the way”
“The wire/cable connectors on the old unit were corroded so I soldered wires, epoxied a glob to keep all dry, use CAT5 connectors on the bulkhead and it works”
“Screen is a wee bit small”
“Transducer cord not long enough”
“It's kind of complicated”
“A real waste of money it seems”
“Some of the worst set of instructions of any product Ive ever purchased”
Top return reasons
Common questions
- Is fish finder profitable to sell on Amazon United States?
- The niche generates $3.2M/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +54.0%. Flapen's verdict: Skip it (44/100).
- How competitive is the fish finder niche?
- 6 brands and 116 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in fish finder?
- Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 3.6%.
- When does demand for fish finder peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 2.5× the quietest.
- What does it cost to enter the fish finder niche?
- Listings span $42.82–$407.36; the average listing price is $171.25 (sweet spot $15–$100). The average incumbent carries 1,861 reviews — the moat a new listing must climb.