---
title: "S23 Ultra Waterproof Case — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/s23-ultra-waterproof-case"
last_updated: "2026-08-09T12:57:44.530Z"
locale: en
meta:
description: "Niche score 44/100 · $31K/yr market · 44K searches/yr · $22.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $31K/yr market · 44K searches/yr · $22.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "S23 Ultra Waterproof Case — $31K/yr Amazon US Niche (2026) - Flapen"
---
# **s23 ultra waterproof case**
**Skip it**
A small market ($31K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 25Conversion 38Competition 41Returns 56Price range 77Avg price 94Brand share 42Review moat 45Quality gap 80
**Avg price**
**Great****$22.59**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$10.26–$30.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****1,962.91**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+0.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$31K**
$31K/yr · 44K searches
According to Flapen's Amazon United States niche tracking, s23 ultra waterproof case is a $31K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 44/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **s23 ultra waterproof case market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$34K–$45K**
- units × avg price
- **Conversion rate**
- **3.1%**
- **Avg BSR**
- **#3,409**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **65%**
- **Out of stock**
- **24.0%**
- **Avg brand age**
- **27 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 97%
**Open market**
**17%**
- Haireca34% - Lanhiem23% - Ezanmull8% - Douiinc8% - Cozycase7% - MOZOTER3% - Open — no brand owns it (11 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +0.2% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/s23-ultra-waterproof-case/trend)
## **Top s23 ultra waterproof case search terms**
- **s23 ultra waterproof case**14K/yr-1.6%2.6% conv. - **s23 ultra case waterproof**8K/yr-0.6%2.5% conv. - **samsung galaxy s23 ultra waterproof case**7K/yr-3.2%2.7% conv. - **galaxy s23 ultra waterproof case**5K/yr+25.7%2.6% conv. - **samsung s23 ultra waterproof case**5K/yr-11.5%2.9% conv. - **galaxy s23 ultra case waterproof**5K/yr-2.1%5.1% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/s23-ultra-waterproof-case/search-terms)
## **Top s23 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%$2K10%$3K15%$5K20%$6K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1![Haireca for Samsung Galaxy S23 Ultra Waterproof Case [IP68 Water Proof] [Built-in Screen Protector] Magnetic Heavy Duty Military Grade Rugged Phone Case for S 23 Ultra 6.8 Teal](https://m.media-amazon.com/images/I/41S7pL-gKPL.jpg)**Haireca for Samsung Galaxy S23 Ultra Waterproof Case \[IP68 Water Proof\] \[Built-in Screen Protector\] Magnetic Heavy Duty Military Grade Rugged Phone Case for S 23 Ultra 6.8 Teal**Haireca**$22.75**4.1★485 rev](https://www.amazon.com/dp/B0D89SQ5MC) [2**Lanhiem for Samsung S23 Ultra Phone Case IP68 Waterproof Dustproof Built-in Screen Protector Rugged Full Body Shockproof Protective Cover for Samsung Galaxy S23 Ultra 5G Black**Lanhiem**$20.04**4.2★2,001 rev](https://www.amazon.com/dp/B0BP259DDC) [3**Haireca for Samsung Galaxy S23 Ultra Waterproof Case with Magsafe Built-in Magnetic & Screen Protector IP68 Certified Full Body Shockproof for Water Sports Underwater Photography 6.8 Black**Haireca**$24.87**4.2★203 rev](https://www.amazon.com/dp/B0DNLYDKYY) [4**Ezanmull for Samsung Galaxy S23 Ultra Waterproof Case with Built-in Screen Protector Dustproof Shockproof Full Body Underwater Protective Phone Case Cover for Samsung Galaxy S23 Ultra 5G 6.8-Black**Ezanmull**$20.41**4.3★4,630 rev](https://www.amazon.com/dp/B0BXL7FZKL) [5![Douiinc for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Case [Built-in Screen Protector] Full Body Heavy Duty Rugged Phone Cover for Galaxy S23 Ultra 6.8 Inch Black](https://m.media-amazon.com/images/I/41jWQVJbN0L.jpg)**Douiinc for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Case \[Built-in Screen Protector\] Full Body Heavy Duty Rugged Phone Cover for Galaxy S23 Ultra 6.8 Inch Black**Douiinc**$19.94**4.5★158 rev](https://www.amazon.com/dp/B0G8FSVD6V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![Douiinc for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Case [Built-in Screen Protector] Full Body Heavy Duty Rugged Phone Cover for Galaxy S23 Ultra 6.8 Inch Black](https://m.media-amazon.com/images/I/41jWQVJbN0L.jpg)**Douiinc for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Case \[Built-in Screen Protector\] Full Body Heavy Duty Rugged Phone Cover for Galaxy S23 Ultra 6.8 Inch Black**Douiinc**$19.94**158 rev6mo ago](https://www.amazon.com/dp/B0G8FSVD6V) [![zapica Designed for Waterproof Samsung Galaxy S23 Ultra Case Built-in Camera & Screen Protector [IP68 Waterproof] [Military Drop Proof] Full Body Protective Cover for Galaxy S23 Ultra Black/Clear](https://m.media-amazon.com/images/I/41EJK7XjWDL.jpg)**zapica Designed for Waterproof Samsung Galaxy S23 Ultra Case Built-in Camera & Screen Protector \[IP68 Waterproof\] \[Military Drop Proof\] Full Body Protective Cover for Galaxy S23 Ultra Black/Clear**zapica**$19.45**76 rev8mo ago](https://www.amazon.com/dp/B0FWJLT91G) [![xiwxi for Samsung Galaxy S23 Ultra Case Waterproof [IPX8 Underwater Case][Full Body Shockproof & Military Dropproof] Clear Sound Quality Built-in Screen Protector for Samsung S23 Ultra 6.8 inch-Black](https://m.media-amazon.com/images/I/51SnktucXLL.jpg)**xiwxi for Samsung Galaxy S23 Ultra Case Waterproof \[IPX8 Underwater Case\]\[Full Body Shockproof & Military Dropproof\] Clear Sound Quality Built-in Screen Protector for Samsung S23 Ultra 6.8 inch-Black**xiwxi**$25.73**708 rev9mo ago](https://www.amazon.com/dp/B0FRMTYHF8) [**Lanhiem Magnetic for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Built-in Screen Protector Rugged Full Body Shockproof Cover for Galaxy S23 Ultra 5G 6.8 Inch Black/Clear**Lanhiem**$24.21**2,001 rev1y ago](https://www.amazon.com/dp/B0FG7YTSBK) [![SPIDERCASE for Samsung Galaxy S23 Ultra Case Waterproof Built-in Screen Protector[IP68 Underwater][12FT Military Grade Shockproof] Full Body Protection Phone Case 6.8 Black/Clear](https://m.media-amazon.com/images/I/41IDsV6yL+L.jpg)**SPIDERCASE for Samsung Galaxy S23 Ultra Case Waterproof Built-in Screen Protector\[IP68 Underwater\]\[12FT Military Grade Shockproof\] Full Body Protection Phone Case 6.8 Black/Clear**SPIDERCASE**$18.25**301 rev1y ago](https://www.amazon.com/dp/B0DZMXDY69)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![Lamicall Large Size Waterproof Phone Pouch Case - [ Big Case Friendly ] for Galaxy S25 Ultra S22 23 S24 Ultra with Case for iPhone 17 16 15 14 13 Pro Max Swimming Equipment Bags for 7.5](https://m.media-amazon.com/images/I/51o48iMtpIL.jpg)**Lamicall Large Size Waterproof Phone Pouch Case - \[ Big Case Friendly \] for Galaxy S25 Ultra S22 23 S24 Ultra with Case for iPhone 17 16 15 14 13 Pro Max Swimming Equipment Bags for 7.5**Lamicall**$10.26**4.5★**▲ 216%**](https://www.amazon.com/dp/B0BQRDRYZJ) [![zapica Designed for Waterproof Samsung Galaxy S23 Ultra Case Built-in Camera & Screen Protector [IP68 Waterproof] [Military Drop Proof] Full Body Protective Cover for Galaxy S23 Ultra Black/Clear](https://m.media-amazon.com/images/I/41EJK7XjWDL.jpg)**zapica Designed for Waterproof Samsung Galaxy S23 Ultra Case Built-in Camera & Screen Protector \[IP68 Waterproof\] \[Military Drop Proof\] Full Body Protective Cover for Galaxy S23 Ultra Black/Clear**zapica**$19.45**4.4★**▲ 99%**](https://www.amazon.com/dp/B0FWJLT91G) [![Douiinc for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Case [Built-in Screen Protector] Full Body Heavy Duty Rugged Phone Cover for Galaxy S23 Ultra 6.8 Inch Black](https://m.media-amazon.com/images/I/41jWQVJbN0L.jpg)**Douiinc for Samsung Galaxy S23 Ultra Case IP68 Waterproof Dustproof Case \[Built-in Screen Protector\] Full Body Heavy Duty Rugged Phone Cover for Galaxy S23 Ultra 6.8 Inch Black**Douiinc**$19.94**4.5★**▲ 96%**](https://www.amazon.com/dp/B0G8FSVD6V) [![Haireca for Samsung Galaxy S23 Ultra Waterproof Case [IP68 Water Proof] [Built-in Screen Protector] Magnetic Heavy Duty Military Grade Rugged Phone Case for S 23 Ultra 6.8 Black](https://m.media-amazon.com/images/I/41CzCz2OpFL.jpg)**Haireca for Samsung Galaxy S23 Ultra Waterproof Case \[IP68 Water Proof\] \[Built-in Screen Protector\] Magnetic Heavy Duty Military Grade Rugged Phone Case for S 23 Ultra 6.8 Black**Haireca**$23.06**4.2★**▲ 74%**](https://www.amazon.com/dp/B0D8B5TNKM) [**Hualele for Samsung Galaxy S23 Ultra Case Waterproof Built in Lens & Screen Protector Rugged Full Body Protective Military Grade Drop Protection IP68 Underwater Cover Case for Galaxy S23 Ultra Black**H HUALELE**$20.24**4.1★**▲ 44%**](https://www.amazon.com/dp/B0D59ZM4MJ)
**~~View all trending →~~**
## **What buyers say about s23 ultra waterproof case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**15%
*“Fits my phone perfectly”*
**Drop/Impact Protection**13%
*“the phone is protected”*
**Quality-Overall**12%
*“This case is very well made”*
**Value For Money**9%
*“Worth the money”*
**Durability**8%
*“Durable”*
**Water Resistance**7%
*“Waterproof”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Strength**4%
*“Good sturdy case”*
**Security**2%
*“Over, it's pretty decent in doing the job of protecting the phone,”*
**Assembly/Installation**2%
*“Easy to install”*
### **What buyers complain about **
**Quality-Overall**10%
*“The qualityof these cases are not what they used to be”*
**Durability**9%
*“the case broke”*
**Charging**7%
*“the cord falls out when charging”*
**Functionality-Overall**6%
*“Does not function well at all”*
**Water Resistance**6%
*“Not water proof”*
**Size-Overall**5%
*“waste my money on this product it cannot fit well i don't wanna force my phone too destroy it”*
**Touch/Button Controls**4%
*“the touch capability is really lacking”*
**Audio Quality**4%
*“Terrible Sound Quality”*
**Microphone**3%
*“Seal for microphone wasn't aligned properly”*
**Value For Money**2%
*“Not really worth it”*
### **Top return reasons **
**Size-Overall**41%
**Compatibility-Overall**8%
**Functionality-Overall**7%
**Charging**4%
**Advertised Vs Actual Product**4%
**Defective Material/Parts**4%
**Product Condition**3%
**Touch Screen**3%
**Touch/Button Controls**2%
**Material Quality**2%
## **Common questions**
- **Is s23 ultra waterproof case profitable to sell on Amazon United States?**
- The niche generates $31K/yr across 23 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.2%. Flapen's verdict: Skip it (44/100).
- **How competitive is the s23 ultra waterproof case niche?**
- 17 brands and 27 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in s23 ultra waterproof case?**
- Top complaints mined from reviews: Quality-Overall, Durability, Charging. The return rate is 2.8%.
- **When does demand for s23 ultra waterproof case peak?**
- Demand peaks in Jul–Aug; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the s23 ultra waterproof case niche?**
- Listings span $10.26–$30.82; the average listing price is $22.59 (sweet spot $15–$100). The average incumbent carries 1,963 reviews — the moat a new listing must climb.
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