---
title: "S26 Ultra Waterproof Case — $54K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/s26-ultra-waterproof-case"
last_updated: "2026-08-09T07:13:27.066Z"
locale: en
meta:
description: "Niche score 56/100 · $54K/yr market · 62K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $54K/yr market · 62K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "S26 Ultra Waterproof Case — $54K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 13Growth 63Conversion 40Competition 51Returns 74Price range 95Avg price 95Brand share 72Review moat 27Quality gap 75
**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**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+40.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****3,764.88**
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 ~~](https://flapen.com/research/methodology)
## **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**
**19 **
**Sellers**
**27**
**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.
3K2KSpike '26Apr '26May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/s26-ultra-waterproof-case/trend)
## **Top s26 ultra waterproof case search terms**
- **s26 ultra waterproof case**17K/yr+28.0%2.8% conv. - **samsung galaxy s26 ultra waterproof case**10K/yr+95.2%3.2% conv. - **samsung galaxy s26 ultra case waterproof**10K/yr+13.4%2.9% conv. - **s26 ultra case waterproof**8K/yr+40.3%3.3% conv. - **galaxy s26 ultra case waterproof**7K/yr+71.0%2.7% conv. - **galaxy s26 ultra waterproof case**5K/yr+46.9%2.6% conv. - **samsung s26 ultra waterproof case**4K/yr+14.2%2.5% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/s26-ultra-waterproof-case/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.
0%5%$3K10%$5K15%$8K20%$11K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$23.14**4.5★34,202 rev](https://www.amazon.com/dp/B0G8F83JK2) [2![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](https://m.media-amazon.com/images/I/41QdOk6IjGL.jpg)**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**$19.68**4.3★10,445 rev](https://www.amazon.com/dp/B0GF1K33N5) [3![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](https://m.media-amazon.com/images/I/41XqPjt4A6L.jpg)**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**$24.32**4.3★509 rev](https://www.amazon.com/dp/B0G6987KV6) [4![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](https://m.media-amazon.com/images/I/41P2OII3fkL.jpg)**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**$22.61**4.3★2,713 rev](https://www.amazon.com/dp/B0GFN1D3S6) [5![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]](https://m.media-amazon.com/images/I/41NUy3fPbKL.jpg)**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**$32.78**4.3★316 rev](https://www.amazon.com/dp/B0GJS8ST22)
**~~View all top sellers →~~**
### **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](https://m.media-amazon.com/images/I/41r0B0awS6L.jpg)**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**$22.12**342 rev1mo ago](https://www.amazon.com/dp/B0GZVL99JD) [![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]](https://m.media-amazon.com/images/I/41NUy3fPbKL.jpg)**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**$32.78**316 rev4mo ago](https://www.amazon.com/dp/B0GJS8ST22) [**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**$34.66**12 rev4mo ago](https://www.amazon.com/dp/B0GP9KVQN7) [**Magnetic Case for Samsung Galaxy S26 Ultra Case Built-in Screen Protector**BUSCBEAR**$32.00**68 rev5mo ago](https://www.amazon.com/dp/B0GLNFLLSY) [**Rokform Rugged Case for Galaxy S26 Ultra Magnetic Cover Drop Tested Armor (Black)**Rokform**$66.87**222 rev5mo ago](https://www.amazon.com/dp/B0GLJRLSJ5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![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](https://m.media-amazon.com/images/I/41r0B0awS6L.jpg)**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**$22.12**4.4★**▲ 72%**](https://www.amazon.com/dp/B0GZVL99JD) [**Rokform Rugged Case for Galaxy S26 Ultra Magnetic Cover Drop Tested Armor (Black)**Rokform**$66.87**4.6★**▲ 59%**](https://www.amazon.com/dp/B0GLJRLSJ5) [**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**$34.66**4.2★**▲ 46%**](https://www.amazon.com/dp/B0GP9KVQN7) [**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-Purple**Temdan**$28.67**4.5★**▲ 42%**](https://www.amazon.com/dp/B0G8DDP1ZD) [![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](https://m.media-amazon.com/images/I/41P2OII3fkL.jpg)**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**$22.61**4.3★**▲ 39%**](https://www.amazon.com/dp/B0GFN1D3S6)
**~~View all trending →~~**
## **What buyers say about s26 ultra waterproof case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Drop/Impact Protection**12%
*“really protects your phone”*
**Size-Overall**12%
*“Fits perfectly”*
**Water Resistance**10%
*“It's waterproof”*
**Quality-Overall**9%
*“The quality feels solid”*
**Durability**6%
*“Its durable”*
**Magnetic Strength/Adsorption**5%
*“The magnetic feature works well”*
**Strength**5%
*“Sturdy case”*
**Value For Money**5%
*“For the money this is a great value that also looks good”*
**Ease Of Use**3%
*“it's great and easy to use”*
**Design-Overall**3%
*“Great sturdy case”*
### **What buyers complain about **
**Quality-Overall**8%
*“Not the quality I expect with amazon recommended item”*
**Water Resistance**6%
*“There is no way this case is waterproof it doesn't close zero stars”*
**Ease Of Use**5%
*“Hard to get off”*
**Magnetic Strength/Adsorption**5%
*“the magnets are not that strong”*
**Functionality-Overall**5%
*“And then put of the blue stopped working again”*
**Value For Money**4%
*“Way overpriced”*
**Audio Quality**4%
*“the sound is not that great”*
**Charging**3%
*“phone will not charge there anymore”*
**Size-Overall**3%
*“Too bulky”*
**Speaker**3%
*“Speaker is muffled when playing music”*
### **Top return reasons **
**Size-Overall**24%
**Functionality-Overall**14%
**Compatibility-Overall**7%
**Quality-Overall**5%
**Advertised Vs Actual Product**5%
**Charging**4%
**Value For Money**3%
**Material Quality**3%
**Product Condition**3%
**Magnetic Strength/Adsorption**3%
## **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.
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