---
title: "Portable Fish Finder — $479K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/portable-fish-finder"
last_updated: "2026-08-11T20:10:59.112Z"
locale: en
meta:
  description: "Niche score 50/100 · $479K/yr market · 262K searches/yr · $123.50 avg price. Weak search conversion (1.5%) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $479K/yr market · 262K searches/yr · $123.50 avg price. Weak search conversion (1.5%) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Portable Fish Finder — $479K/yr Amazon US Niche (2026) - Flapen"
---

# **portable fish finder**

**Worth a look**

Shows a sweet-spot price point ($123.50 avg), but weak search conversion (1.5%) keeps it on the watch list.

Market size 59Growth 62Conversion 19Competition 52Returns 34Price range 33Avg price 67Brand share 47Review moat 50Quality gap 63

**Avg price**

**Good****$123.50**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Good****+39.5%**

90-day search growth — must beat 0% to launch

**Market size**

**Good****$479K**

$479K/yr · 262K searches

**Competition**

**Good****54%**

top-5 click share — leaders hold, buyers still browse

**Review moat**

**Okay****1,521.57**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****77%**

top-5 brand share — brands hold most of the demand

**Returns**

**Okay****4.3%**

return rate — above 5% kills the launch gate

**Price range**

**Okay****$39.25–$222.99**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Bad****1.5%**

search→purchase rate — share of searches ending in a sale

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, portable fish finder is a $479K/yr Amazon United States market (262K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in May–Jun–Jul–Dec. Verdict: Worth a look — 50/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **portable fish finder market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$371K–$494K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#85**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**76%**</dd>

<dt>**Out of stock**</dt><dd>**0.9%**</dd>

<dt>**Avg brand age**</dt><dd>**54 months**</dd>

<dt>**Avg seller age**</dt><dd>**172 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**12 **▲rising

**Sellers**

**122**

**Top-5 brand share**

**77%**

Top 20: 100%

**Top-5 click share**

**54%**

Top 20: 99%

**Open market**

**17%**

- Humminbird28% - Deeper18% - Garmin14% - Venterior8% - LUCKY8% - ReelSonar6% - Open — no brand owns it (6 brands, 17%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +39.5% search growth over the last 90 days.

8K6KSpike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Dec · busiest ÷ quietest = 2.9×

[**Open Trend **](https://flapen.com/research/us/electronics/portable-fish-finder/trend)

## **Top portable fish finder search terms**

- **portable fish finder**81K/yr+52.4%0.9% conv. - **castable fish finder**27K/yr+49.7%1.2% conv. - **fish finder bobber**25K/yr+32.4%1.0% conv. - **deeper fish finder**28K/yr-4.0%1.0% conv. - **garmin striker cast**17K/yr-1.5%3.1% conv. - **deeper pro plus 2**12K/yr+60.4%3.1% conv. - **fish finder for bank fishing**6K/yr+144.5%0.3% conv. - **portable depth finder**8K/yr+66.0%1.3% conv. - **deeper sonar**7K/yr+49.5%1.2% conv. - **bobber fish finder**6K/yr+46.8%1.0% conv. [**All search terms **](https://flapen.com/research/us/electronics/portable-fish-finder/search-terms)

## **Top portable 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.

0%10%$48K20%$96K30%$144K40%$191K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Humminbird PiranhaMAX 4 Fish Finder with Transducer Dual Beam Sonar](https://m.media-amazon.com/images/I/41n3vc3mwxL.jpg)**Humminbird PiranhaMAX 4 Fish Finder with Transducer Dual Beam Sonar**Humminbird**$127.28**4.6★1,296 rev](https://www.amazon.com/dp/B01MDP3DPB) [2![Deeper PRO+ 2 Sonar Fish Finder - Portable Fish Finder and Depth Finder For Kayaks Boats and Ice Fishing with GPS Enabled | Castable Deeper Fish Finder with FREE User Friendly App](https://m.media-amazon.com/images/I/41Dv2k2WURL.jpg)**Deeper PRO+ 2 Sonar Fish Finder - Portable Fish Finder and Depth Finder For Kayaks Boats and Ice Fishing with GPS Enabled | Castable Deeper Fish Finder with FREE User Friendly App**Deeper**$162.21**4.1★814 rev](https://www.amazon.com/dp/B09BD7YYBJ) [3![Venterior Portable Rechargeable Fish Finder Wireless Sonar Sensor Fishfinder Depth Locator with Fish Size Temperature Bottom Contour Color Display](https://m.media-amazon.com/images/I/41WvHqtvCRL.jpg)**Venterior Portable Rechargeable Fish Finder Wireless Sonar Sensor Fishfinder Depth Locator with Fish Size Temperature Bottom Contour Color Display**Venterior**$86.69**4.3★1,101 rev](https://www.amazon.com/dp/B07WVQYKZ9) [4![Garmin Striker Cast Castable Sonar Pair with Mobile Device and Cast from Anywhere Reel in to Locate and Display Fish on Smartphone or Tablet (010-02246-00)](https://m.media-amazon.com/images/I/313LgTj05pL.jpg)**Garmin Striker Cast Castable Sonar Pair with Mobile Device and Cast from Anywhere Reel in to Locate and Display Fish on Smartphone or Tablet (010-02246-00)**Garmin**$134.63**4.5★488 rev](https://www.amazon.com/dp/B08LDZWMKF) [5![Reelsonar Portable Fish Finder Accurate Fish Depth Finder with Depth Range of 135 feet 10+ Hours Battery Life with iOS & Android App Wireless](https://m.media-amazon.com/images/I/51Trj4HZEmL.jpg)**Reelsonar Portable Fish Finder Accurate Fish Depth Finder with Depth Range of 135 feet 10+ Hours Battery Life with iOS & Android App Wireless**ReelSonar**$84.58**4.0★6,817 rev](https://www.amazon.com/dp/B00LEA2FS0)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Takkicept Portable Underwater Fishing Camera Fish Finder: 6 OLED Display 1080P HD Depth Finders Waterproof Camera IP68 220 Wide-Angle Lens 12H Battery 25m Cable for Ice Fishing Kayak Boat Shore](https://m.media-amazon.com/images/I/41aS89Tx1rL.jpg)**Takkicept Portable Underwater Fishing Camera Fish Finder: 6 OLED Display 1080P HD Depth Finders Waterproof Camera IP68 220 Wide-Angle Lens 12H Battery 25m Cable for Ice Fishing Kayak Boat Shore**Takkicept**$147.36**14 rev2mo ago](https://www.amazon.com/dp/B0GZ39QW2F) [![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)](https://m.media-amazon.com/images/I/518NSNiOQRL.jpg)**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**$141.40**10 rev5mo ago](https://www.amazon.com/dp/B0GL1TGX1B) [![LUCKY Kayak Portable Fish Finder Transducer Wireless Sonar Fish Finders Boat Rechargeable Handheld Fish Depth Finder Fishing MT-202](https://m.media-amazon.com/images/I/41-z8GoRmbL.jpg)**LUCKY Kayak Portable Fish Finder Transducer Wireless Sonar Fish Finders Boat Rechargeable Handheld Fish Depth Finder Fishing MT-202**LUCKY**$128.06**40 rev9mo ago](https://www.amazon.com/dp/B0FYWTWVT7) [![Deeper MAX Castable GPS Fish Finder Portable Chirp Sonar Depth and Fish Finder for Boat Fishing Ice Fishing Shore Fishing - Personal 3D Depth Maps with User-Friendly Free App](https://m.media-amazon.com/images/I/41kZO1PWe7L.jpg)**Deeper MAX Castable GPS Fish Finder Portable Chirp Sonar Depth and Fish Finder for Boat Fishing Ice Fishing Shore Fishing - Personal 3D Depth Maps with User-Friendly Free App**Deeper**$222.99**37 rev10mo ago](https://www.amazon.com/dp/B0FRSSFSTR) [![Fish Finder Underwater Fishing Camera Equipped with Infrared Night Vision Function IP67 Waterproof and ice Fishing Camera a Portable Fish Finder in Rivers Lakes Kayaks and Boats (30)](https://m.media-amazon.com/images/I/51pgKA2lypL.jpg)**Fish Finder Underwater Fishing Camera Equipped with Infrared Night Vision Function IP67 Waterproof and ice Fishing Camera a Portable Fish Finder in Rivers Lakes Kayaks and Boats (30)**JinXiHua**$56.89**45 rev1y ago](https://www.amazon.com/dp/B0DQ7QVVC3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Takkicept Portable Underwater Fishing Camera Fish Finder: 6 OLED Display 1080P HD Depth Finders Waterproof Camera IP68 220 Wide-Angle Lens 12H Battery 25m Cable for Ice Fishing Kayak Boat Shore](https://m.media-amazon.com/images/I/41aS89Tx1rL.jpg)**Takkicept Portable Underwater Fishing Camera Fish Finder: 6 OLED Display 1080P HD Depth Finders Waterproof Camera IP68 220 Wide-Angle Lens 12H Battery 25m Cable for Ice Fishing Kayak Boat Shore**Takkicept**$147.36**5.0★**▲ 149%**](https://www.amazon.com/dp/B0GZ39QW2F) [![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)](https://m.media-amazon.com/images/I/518NSNiOQRL.jpg)**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**$141.40**4.5★**▲ 149%**](https://www.amazon.com/dp/B0GL1TGX1B) [![DepthTrax 2B Boat Mount In Dash Digital Depth Finder](https://m.media-amazon.com/images/I/41umOKGQgkL.jpg)**DepthTrax 2B Boat Mount In Dash Digital Depth Finder**Hawkeye**$89.36**4.3★**▲ 105%**](https://www.amazon.com/dp/B000JEOEE0) [![Humminbird PiranhaMAX 4 Fish Finder with Transducer Dual Beam Sonar](https://m.media-amazon.com/images/I/41n3vc3mwxL.jpg)**Humminbird PiranhaMAX 4 Fish Finder with Transducer Dual Beam Sonar**Humminbird**$127.28**4.6★**▲ 103%**](https://www.amazon.com/dp/B01MDP3DPB) [![Fish Finder Underwater Fishing Camera Equipped with Infrared Night Vision Function IP67 Waterproof and ice Fishing Camera a Portable Fish Finder in Rivers Lakes Kayaks and Boats (30)](https://m.media-amazon.com/images/I/51pgKA2lypL.jpg)**Fish Finder Underwater Fishing Camera Equipped with Infrared Night Vision Function IP67 Waterproof and ice Fishing Camera a Portable Fish Finder in Rivers Lakes Kayaks and Boats (30)**JinXiHua**$56.89**4.1★**▲ 99%**](https://www.amazon.com/dp/B0DQ7QVVC3)

**~~View all trending →~~**

## **What buyers say about portable fish finder**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Use**15%

*“Easy to use”*

**Value For Money**14%

*“Affordable”*

**Efficiency**10%

*“This is the most effective”*

**Quality-Overall**9%

*“Good quality”*

**GPS**6%

*“The GPS pin is mighty accurate”*

**Advertised Vs Actual Product**5%

*“it works as advertised”*

**Size-Overall**4%

*“Perfect size”*

**Assembly/Installation**3%

*“Easy to install”*

**Connectivity-Overall**3%

*“It connects easy to its app on the phone”*

**Functionality-Overall**3%

*“The display & transducer work”*

### **What buyers complain about **

**Durability**17%

*“nervous it will break”*

**Functionality-Overall**11%

*“doesnt work”*

**Connectivity-Overall**9%

*“it does not connect to any device”*

**Quality-Overall**8%

*“very poor quality”*

**Battery Life**5%

*“Drains the phone battery in just a few hours”*

**Charging**5%

*“Won't turn on or even charge”*

**Measurement/Reading Accuracy**5%

*“Maybe I have a bad transducer because I don't get Any depth”*

**Product Condition**4%

*“since it was a used item”*

**Ease Of Use**4%

*“Not user friendly; doesnt work”*

**Length**2%

*“Transducer cord not long enough”*

### **Top return reasons **

**Functionality-Overall**19%

**Connectivity-Overall**13%

**Advertised Vs Actual Product**9%

**Size-Overall**7%

**Defective Material/Parts**6%

**Value For Money**5%

**Compatibility-Overall**5%

**Display-Overall**4%

**Charging**4%

**Product Condition**3%

## **Common questions**

<dl>

<dt>**Is portable fish finder profitable to sell on Amazon United States?**</dt><dd>The niche generates $479K/yr across 21 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +39.5%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the portable fish finder niche?**</dt><dd>12 brands and 122 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 77% of demand.</dd>

<dt>**What do buyers complain about in portable fish finder?**</dt><dd>Top complaints mined from reviews: Durability, Functionality-Overall, Connectivity-Overall. The return rate is 4.3%.</dd>

<dt>**When does demand for portable fish finder peak?**</dt><dd>Demand peaks in May–Jun–Jul–Dec; the busiest month runs 2.9× the quietest.</dd>

<dt>**What does it cost to enter the portable fish finder niche?**</dt><dd>Listings span $39.25–$222.99; the average listing price is $123.50 (sweet spot $15–$100). The average incumbent carries 1,522 reviews — the moat a new listing must climb.</dd>

</dl>

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