Is s26 ultra waterproof case profitable to sell on Amazon United States?

The niche generates $54K/yr across 25 tracked products. 18 of 24 products launched in the last 360 days are still selling. 90-day search growth is +40.5%. Flapen's verdict: Worth a look (56/100).

How competitive is the s26 ultra waterproof case niche?

19 brands and 27 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 62% of demand.

What do buyers complain about in s26 ultra waterproof case?

Top complaints mined from reviews: Quality-Overall, Water Resistance, Ease Of Use. The return rate is 2.1%.

What does it cost to enter the s26 ultra waterproof case niche?

Listings span $17.14–$66.87; the average listing price is $27.41 (sweet spot $15–$100). The average incumbent carries 3,765 reviews — the moat a new listing must climb.

s26 ultra waterproof case

Worth a look

Shows a sweet-spot price point ($27.41 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible$27.41

avg listing price — sweet spot $15–$100

Price range

Incredible$17.14–$66.87

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.1%

return rate — above 5% kills the launch gate

Brand share

Good62%

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

Growth

Good+40.5%

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

Competition

Good55%

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

Conversion

Okay3.2%

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

Review moat

Okay3,764.88

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$54K

$54K/yr · 62K searches

According to Flapen's Amazon United States niche tracking, s26 ultra waterproof case is a $54K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 56/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

s26 ultra waterproof case market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $55K–$69K; units × avg price
Conversion rate: 3.2%
Avg BSR: #3,803
Page quality: 0%
Prime: 100%
Sponsored: 96%
Out of stock: 1.8%
Avg brand age: 10 months
Avg seller age: 219 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

Sellers

Top-5 brand share

62%

Top 20: 100%

Top-5 click share

55%

Top 20: 94%

Open market

33%

Temdan22%
ANTSHARE16%
Lanhiem10%
Haireca8%
Oterkin5%
SPIDERCASE5%

Demand

Weekly Amazon search volume, last 11 weeks — +40.5% search growth over the last 90 days.

Open Trend

Top s26 ultra waterproof case search terms

s26 ultra waterproof case17K/yr +28.0%2.8% conv.
samsung galaxy s26 ultra waterproof case10K/yr +95.2%3.2% conv.
samsung galaxy s26 ultra case waterproof10K/yr +13.4%2.9% conv.
s26 ultra case waterproof8K/yr +40.3%3.3% conv.
galaxy s26 ultra case waterproof7K/yr +71.0%2.7% conv.
galaxy s26 ultra waterproof case5K/yr +46.9%2.6% conv.
samsung s26 ultra waterproof case4K/yr +14.2%2.5% conv.

All search terms

Top s26 ultra waterproof case 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★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Temdan Designed for Samsung Galaxy S26 Ultra Case Waterproof Built-in Lens & Screen Protector Military Grade Shockproof Dropproof IP68 Underwater Full Body Phone Case for Galaxy S26 Ultra 6.9-Black

Temdan$23.144.5★34,202 rev

ANTSHARE IP68 Waterproof Case for Samsung Galaxy S26 Ultra [2026] - MagSafe Compatible Built-in Screen/Lens Protector - Shockproof Full Body Protection for Swimming/Outdoor Black/Clear

ANTSHARE$19.684.3★10,445 rev

Haireca for Samsung Galaxy S26 Ultra Waterproof Case [Fit for Magsafe] [IP68 Water Proof] [Built-in Screen Protector] Magnetic Heavy Duty Military Grade Rugged Phone Case for S 26 Ultra 6.9 Teal

Haireca$24.324.3★509 rev

Lanhiem Magnetic for Samsung Galaxy S26 Ultra Case IP68 Waterproof Dustproof Case [Compatible with Magsafe] [Built-in Lens & Screen Protector] Full Body Shockproof Rugged Phone Case 6.9 Black

Lanhiem$22.614.3★2,713 rev

Oterkin 360 Spin Magnetic Stand for Samsung Galaxy S26 Ultra Waterproof Case [Full Body Protection] [IP68 Waterproof] [Fit for Magsafe] S26 Ultra Shockproof Case with [Built-in Screen&Lens Protector]

Oterkin$32.784.3★316 rev

Newest

by launch date

SPIDERCASE for Samsung Galaxy S26 Ultra Waterproof Case [12FT Military-Grade Drop Protection] IP68 Underwater [Built-in Screen Protector] Full Body Sealed Protection Phone Case 6.9 Black/Clear

SPIDERCASE$22.12342 rev

1mo ago

Oterkin 360 Spin Magnetic Stand for Samsung Galaxy S26 Ultra Waterproof Case [Full Body Protection] [IP68 Waterproof] [Fit for Magsafe] S26 Ultra Shockproof Case with [Built-in Screen&Lens Protector]

Oterkin$32.78316 rev

4mo ago

MOTIVE for Samsung s26 Ultra Case Magsafe Full Body 360 Protection with Belt Clip Holster Built-in Screen Protector Magnetic Charging Samsung Galaxy s26 Ultra Waterproof Case | 6.9 - Black

MOTIVE$34.6612 rev

4mo ago

Magnetic Case for Samsung Galaxy S26 Ultra Case Built-in Screen Protector

BUSCBEAR$32.0068 rev

5mo ago

Rokform Rugged Case for Galaxy S26 Ultra Magnetic Cover Drop Tested Armor (Black)

Rokform$66.87222 rev

5mo ago

What buyers say about s26 ultra waterproof case

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

What buyers love

Drop/Impact Protection12%

“really protects your phone”

Size-Overall12%

“Fits perfectly”

Water Resistance10%

“It's waterproof”

Quality-Overall9%

“The quality feels solid”

Durability6%

“Its durable”

Magnetic Strength/Adsorption5%

“The magnetic feature works well”

Strength5%

“Sturdy case”

Value For Money5%

“For the money this is a great value that also looks good”

Ease Of Use3%

“it's great and easy to use”

Design-Overall3%

“Great sturdy case”

What buyers complain about

Quality-Overall8%

“Not the quality I expect with amazon recommended item”

Water Resistance6%

“There is no way this case is waterproof it doesn't close zero stars”

Ease Of Use5%

“Hard to get off”

Magnetic Strength/Adsorption5%

“the magnets are not that strong”

Functionality-Overall5%

“And then put of the blue stopped working again”

Value For Money4%

“Way overpriced”

Audio Quality4%

“the sound is not that great”

Charging3%

“phone will not charge there anymore”

Size-Overall3%

“Too bulky”

Speaker3%

“Speaker is muffled when playing music”

Top return reasons

Size-Overall24%

Functionality-Overall14%

Compatibility-Overall7%

Quality-Overall5%

Advertised Vs Actual Product5%

Charging4%

Value For Money3%

Material Quality3%

Product Condition3%

Magnetic Strength/Adsorption3%

Common questions

Is s26 ultra waterproof case profitable to sell on Amazon United States?: The niche generates $54K/yr across 25 tracked products. 18 of 24 products launched in the last 360 days are still selling. 90-day search growth is +40.5%. Flapen's verdict: Worth a look (56/100).
How competitive is the s26 ultra waterproof case niche?: 19 brands and 27 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in s26 ultra waterproof case?: Top complaints mined from reviews: Quality-Overall, Water Resistance, Ease Of Use. The return rate is 2.1%.
What does it cost to enter the s26 ultra waterproof case niche?: Listings span $17.14–$66.87; the average listing price is $27.41 (sweet spot $15–$100). The average incumbent carries 3,765 reviews — the moat a new listing must climb.