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.

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.

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Competition

Great35%

top-5 click share — an open shelf

Brand share

Great55%

top-5 brand share — no brand owns this niche

Growth

Great+68.5%

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

Review moat

Great497.08

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

Okay4.5%

return rate — above 5% kills the launch gate

Conversion

Bad1.5%

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 Low Review Barrier Quality Gap High Price Out of Stock

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

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.

Peak months: Jul, Aug · busiest ÷ quietest = 8.5×

Open Trend

Top dive portable lungs search terms

underwater breathing device27K/yr +114.1%0.5% conv.
under water breathing device7K/yr +180.1%0.4% conv.
underwater breathing system7K/yr +71.8%0.4% conv.
dive portable lungs30K/yr -48.4%0.0% conv.
breath underwater device3K/yr +141.3%0.4% conv.
goyojo scuba dive system3K/yr +50.1%0.1% conv.
dive portable lungs kit2K/yr -3.3%0.0% conv.
diveportablelungs2K/yr +87.5%0.0% conv.

All 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.

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

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$84.444.1★117 rev

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$72.664.7★2,632 rev

GOYOJO 0.5L Mini Scuba Tank with Snorkel Mask Portable Underwater Air Supply for Snorkeling & Shallow Dives DOTCertified 58 Min Underwater Breath System

GOYOJO$166.124.0★23 rev

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$175.994.3★18 rev

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$29.694.5★15,707 rev

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$29.2210 rev

1w ago

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$16.802 rev

1mo ago

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$19.2012 rev

2mo ago

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$389.526 rev

2mo ago

Full Dry Respirator Adult Men and Women Diving Swimming Camping Stream Diving Experience Equipment Swimming Breathing Tube (118 Inch)

SMEKHOXO$24.0016 rev

3mo ago

What buyers say about dive portable lungs

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

What buyers love

Quality-Overall22%

“Build quality is great”

Value For Money8%

“Great value”

Advertised Vs Actual Product8%

“As advertised”

Water Resistance6%

“Perfect for Underwater Observation”

Portability5%

“Handy”

Ease Of Use5%

“It's easy to use”

Size-Overall4%

“Fits perfect”

Leak-Proof4%

“No leaks, easy adjustments”

Comfort-Overall3%

“They were comfortable”

Weight Light3%

“this is light weight has a carry bag”

What buyers complain about

Leak-Proof11%

“Goggles leak”

Quality-Overall11%

“Bad quality”

Breathability9%

“Cant breathe”

Value For Money8%

“and more expensive”

Functionality-Overall7%

“Doesn't work”

Size-Overall6%

“Tubes to small”

Ease Of Use5%

“yo will not be able to use it”

Durability5%

“Broke in the first 2 minutes of use”

Comfort-Overall5%

“Not comfortable”

Pain Relief-Overall5%

“The mask hurts”

Top return reasons

Size-Overall37%

Leak-Proof17%

Value For Money6%

Functionality-Overall6%

Water Resistance4%

Advertised Vs Actual Product4%

Product Condition3%

Defective Material/Parts3%