---
title: "Dive Portable Lungs — $311K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/dive-portable-lungs"
last_updated: "2026-08-12T00:22:06.931Z"
locale: en
meta:
description: "Niche score 60/100 · $311K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $311K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Dive Portable Lungs — $311K/yr Amazon US Niche (2026) - Flapen"
---
# **dive portable lungs**
**Worth a look**
Shows beatable incumbent ratings (3.8★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 52Growth 78Conversion 18Competition 80Returns 32Price range 3Avg price 37Brand share 80Review moat 75Quality gap 97
**Quality gap**
**Incredible****3.8★**
avg incumbent rating — lower means beatable quality
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Growth**
**Great****+68.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Great****497.08**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$311K**
$311K/yr · 81K searches
**Avg price**
**Okay****$262.59**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****4.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$13.08–$2493.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, dive portable lungs is a $311K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 60/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **dive portable lungs market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$26K–$66K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#60**
- **Page quality**
- **0%**
- **Prime**
- **68%**
- **Sponsored**
- **94%**
- **Out of stock**
- **33.8%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **210 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**24 **▲rising
**Sellers**
**105**
**Top-5 brand share**
**55%**
Top 20: 98%
**Top-5 click share**
**35%**
Top 20: 72%
**Open market**
**39%**
- GOYOJO19% - SMACO13% - Onyx8% - VEVOR8% - Generic7% - HQLYZJDV6%
## **Demand & seasonality**
Weekly Amazon search volume, last 55 weeks — +68.5% search growth over the last 90 days.
9K7KPrime Day '25Spike '25Spike '26Prime Day '26 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jul, Aug · busiest ÷ quietest = 8.5×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/dive-portable-lungs/trend)
## **Top dive portable lungs search terms**
- **underwater breathing device**27K/yr+114.1%0.5% conv. - **under water breathing device**7K/yr+180.1%0.4% conv. - **underwater breathing system**7K/yr+71.8%0.4% conv. - **dive portable lungs**30K/yr-48.4%0.0% conv. - **breath underwater device**3K/yr+141.3%0.4% conv. - **goyojo scuba dive system**3K/yr+50.1%0.1% conv. - **dive portable lungs kit**2K/yr-3.3%0.0% conv. - **diveportablelungs**2K/yr+87.5%0.0% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/dive-portable-lungs/search-terms)
## **Top dive portable lungs 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%3%$9K6%$19K9%$28K12%$37K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SMACO Mini Scuba Tank 0.5L Portable Small Diving Tank for Underwater Breathing Reusable Diving Cylinder Lung Air Tank for Emergency Rescue Boat Cleaning Backup Air Source Pony Bottle S300**SMACO**$84.44**4.1★117 rev](https://www.amazon.com/dp/B0DQSBTXTW) [2**Onyx M-16 Manual Inflatable Belt Pack U.S. Coast Guard Approved Low Profile Compact Design Approved for users 16 years and older; and over 80 pounds**Onyx**$72.66**4.7★2,632 rev](https://www.amazon.com/dp/B07HPWN2S4) [3**GOYOJO 0.5L Mini Scuba Tank with Snorkel Mask Portable Underwater Air Supply for Snorkeling & Shallow Dives DOTCertified 58 Min Underwater Breath System**GOYOJO**$166.12**4.0★23 rev](https://www.amazon.com/dp/B0DJXSKV38) [4**GOYOJO 1L Mini Scuba Tank with Mask DOT Certified Portable Diving Air Tank 3000 PSI Max Pressure Pony Bottle Underwater Breathing Device for Snorkeling & Scuba Diving (Black)**GOYOJO**$175.99**4.3★18 rev](https://www.amazon.com/dp/B0F1TWNP1Q) [5**Greatever G2 Full Face Snorkel Mask with Latest Dry Top System Foldable 180 Degree Panoramic View Snorkeling Mask with Camera Mount Safe Breathing Anti-Leak&Anti-Fog**Greatever**$29.69**4.5★15,707 rev](https://www.amazon.com/dp/B094ZCYJ78)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Swimming Snorkel Underwater Breathing Tube with Float Head 118.11 inch Swim Breathing Pipe for Adult Diving Swimming Water Sports and Outdoor**Generic**$29.22**10 rev1w ago](https://www.amazon.com/dp/B0H49ZYDLN) [**Underwater Breathing Device Swimming Snorkel Scuba Tube Semi Full Gear Kit Long Pool Snorkel Float-Dry and Semi-Dry Tubes Floating Plash-Resistant Single-Head and Dual-Head(118.1 in Dual)**SXEWXWO**$16.80**2 rev1mo ago](https://www.amazon.com/dp/B0H3PS4QQV) [**Full Dry Respirator Diving Snorkel Breathing Tube Long Breathing Tube Diving Swimming Camping Stream Diving Experience Equipment Swimming Breathing Tube (Double Tube 118 Inch)**Generic**$19.20**12 rev2mo ago](https://www.amazon.com/dp/B0H2YPPN9C) [**HQLYZJDV Battery Scuba Diving Ventilator Rechargeable Scuba Diving System with 8700 mAh Battery Airline-Approved Tankless Dive System with 23ft Breathing Hose & Regulator for Recreational Diving**HQLYZJDV**$389.52**6 rev2mo ago](https://www.amazon.com/dp/B0F3H5L3WC) [**Full Dry Respirator Adult Men and Women Diving Swimming Camping Stream Diving Experience Equipment Swimming Breathing Tube (118 Inch)**SMEKHOXO**$24.00**16 rev3mo ago](https://www.amazon.com/dp/B0GXZ5LY3T)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GOYOJO Mini Scuba Tank Portable Diving Lung Air Tank with DOT Certified Refillable Emergency Backup Pony Bottle for Snorkeling Underwater Breathing Training (Ocean Blue)**GOYOJO**$92.57**4.4★**▲ 157%**](https://www.amazon.com/dp/B0GQT667YK) [**Full Dry Respirator Diving Snorkel Breathing Tube Long Breathing Tube Diving Swimming Camping Stream Diving Experience Equipment Swimming Breathing Tube (Double Tube 118 Inch)**Generic**$19.20**1.2★**▲ 156%**](https://www.amazon.com/dp/B0H2YPPN9C) [**Xyuee D2 Scuba Diving System Tankless Lung Underwater Breathing Device with 50FT Long Tube Portable High-Flow Rechargeable Dive Ventilator for Snorkeling Recreational Diving & Fishing**Xyuee**$374.13**3.0★**▲ 156%**](https://www.amazon.com/dp/B0GJSJVF9B) [**Swimming Snorkel Underwater Breathing Tube with Float Head 118.11 inch Swim Breathing Pipe for Adult Diving Swimming Water Sports and Outdoor**Generic**$29.22**1.4★**▲ 155%**](https://www.amazon.com/dp/B0H49ZYDLN) [**Underwater Breathing Device Swimming Snorkel Scuba Tube Semi Full Gear Kit Long Pool Snorkel Float-Dry and Semi-Dry Tubes Floating Plash-Resistant Single-Head and Dual-Head(118.1 in Dual)**SXEWXWO**$16.80**5.0★**▲ 155%**](https://www.amazon.com/dp/B0H3PS4QQV)
**~~View all trending →~~**
## **What buyers say about dive portable lungs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Build quality is great”*
**Value For Money**8%
*“Great value”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Water Resistance**6%
*“Perfect for Underwater Observation”*
**Portability**5%
*“Handy”*
**Ease Of Use**5%
*“It's easy to use”*
**Size-Overall**4%
*“Fits perfect”*
**Leak-Proof**4%
*“No leaks, easy adjustments”*
**Comfort-Overall**3%
*“They were comfortable”*
**Weight Light**3%
*“this is light weight has a carry bag”*
### **What buyers complain about **
**Leak-Proof**11%
*“Goggles leak”*
**Quality-Overall**11%
*“Bad quality”*
**Breathability**9%
*“Cant breathe”*
**Value For Money**8%
*“and more expensive”*
**Functionality-Overall**7%
*“Doesn't work”*
**Size-Overall**6%
*“Tubes to small”*
**Ease Of Use**5%
*“yo will not be able to use it”*
**Durability**5%
*“Broke in the first 2 minutes of use”*
**Comfort-Overall**5%
*“Not comfortable”*
**Pain Relief-Overall**5%
*“The mask hurts”*
### **Top return reasons **
**Size-Overall**37%
**Leak-Proof**17%
**Value For Money**6%
**Functionality-Overall**6%
**Water Resistance**4%
**Advertised Vs Actual Product**4%
**Product Condition**3%
**Defective Material/Parts**3%
**Comfort-Overall**3%
**Breathability**2%
## **Common questions**
- **Is dive portable lungs profitable to sell on Amazon United States?**
- The niche generates $311K/yr across 50 tracked products. 6 of 21 products launched in the last 360 days are still selling. 90-day search growth is +68.5%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the dive portable lungs niche?**
- 24 brands and 105 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in dive portable lungs?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Breathability. The return rate is 4.5%.
- **When does demand for dive portable lungs peak?**
- Demand peaks in Jul–Aug; the busiest month runs 8.5× the quietest.
- **What does it cost to enter the dive portable lungs niche?**
- Listings span $13.08–$2493.91; the average listing price is $262.59 (sweet spot $15–$100). The average incumbent carries 497 reviews — the moat a new listing must climb.
## **Related niches in Sports & Outdoors**
- 74 [**hydrogen water**](https://flapen.com/research/us/sports-outdoors/hydrogen-water)$6.6M/yr-20.2%**Worth a look**- 74 [**england soccer jersey**](https://flapen.com/research/us/sports-outdoors/england-soccer-jersey)$141K/yr>1,000%**Worth a look**- 74 [**argentina jersey**](https://flapen.com/research/us/sports-outdoors/argentina-jersey)$309K/yr>1,000%**Worth a look**- 74 [**frisbee**](https://flapen.com/research/us/sports-outdoors/frisbee)$1.9M/yr+59.7%**Launch it**- 75 [**trampoline basketball hoop**](https://flapen.com/research/us/sports-outdoors/trampoline-basketball-hoop)$2.3M/yr+49.2%**Launch it**- 75 [**golf glove**](https://flapen.com/research/us/sports-outdoors/golf-glove)$4.1M/yr+62.5%**Launch it**[**All Sports & Outdoors niches **](https://flapen.com/research/us/sports-outdoors)