---
title: "Iphone 11 Waterproof Case — $54K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/iphone-11-waterproof-case"
last_updated: "2026-08-09T21:05:12.983Z"
locale: en
meta:
description: "Niche score 39/100 · $54K/yr market · 89K searches/yr · $17.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $54K/yr market · 89K searches/yr · $17.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Iphone 11 Waterproof Case — $54K/yr Amazon US Niche (2026) - Flapen"
---
# **iphone 11 waterproof case**
**Skip it**
A small market ($54K/yr) — this niche doesn't clear our bar today.
Market size 14Growth 31Conversion 43Competition 32Returns 34Price range 71Avg price 82Brand share 32Review moat 21Quality gap 76
**Avg price**
**Great****$17.92**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$8.75–$30.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+5.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****10,704.6**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$54K**
$54K/yr · 89K searches
According to Flapen's Amazon United States niche tracking, iphone 11 waterproof case is a $54K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 39/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **iphone 11 waterproof case market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$54K–$72K**
- units × avg price
- **Conversion rate**
- **3.4%**
- **Avg BSR**
- **#4,632**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **25.3%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**17**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**66%**
Top 20: 100%
**Open market**
**11%**
- SPORTLINK37% - LOVE BEIDI22% - ZWWADR13% - Cozycase9% - LifeProof6% - jaroco3% - Open — no brand owns it (5 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +5.1% search growth over the last 90 days.
8K6KHoliday '24 seasonDecMarJunAugNovMarMay
Peak months: Jul, Aug · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-waterproof-case/trend)
## **Top iphone 11 waterproof case search terms**
- **iphone 11 waterproof case**23K/yr+12.4%3.8% conv. - **waterproof iphone 11 case**11K/yr-2.9%3.1% conv. - **iphone 11 phone case waterproof**10K/yr-13.1%2.8% conv. - **iphone 11 waterproof phone case**8K/yr+33.3%3.4% conv. - **iphone 11 lifeproof case**9K/yr-16.8%3.9% conv. - **iphone 11 case waterproof**12K/yr-9.3%3.7% conv. - **waterproof phone case iphone 11**5K/yr+31.5%2.0% conv. - **waterproof case for iphone 11**3K/yr+41.6%3.0% conv. - **lifeproof iphone 11 case**5K/yr-0.7%3.7% conv. - **water proof phone case iphone 11**2K/yr+31.5%1.2% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/iphone-11-waterproof-case/search-terms)
## **Top iphone 11 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%10%$5K20%$11K30%$16K40%$22K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SPORTLINK Waterproof Case for iPhone 11 Full Body Heavy Duty Protection Full Sealed Cover Shockproof Dustproof Built-in Clear Screen Protector Rugged Case for iPhone 11 6.1 Inch Black**SPORTLINK**$20.06**4.3★12,028 rev](https://www.amazon.com/dp/B07X8TRH6X) [2**ZWWADR for iPhone 11 Waterproof Case with Screen Protector Full Body Protector Shockproof Dustproof Dirtproof Heavy Duty IP68 Waterproof Case for iPhone 11(6.1inch) (Clear)**ZWWADR**$19.02**4.2★4,430 rev](https://www.amazon.com/dp/B08GNSP8T3) [3**SPORTLINK for iPhone 11 Waterproof Case - Built-in Shockproof Screen Protector - IP68 Underwater Military Dropproof Full Body Protection Cover for iPhone 11 6.1 inch (Black)**SPORTLINK**$20.68**4.3★2,319 rev](https://www.amazon.com/dp/B09W9GNJVL) [4**Cozycase TOP Military IP68 Waterproof Case for iPhone 11 - Heavy Duty 360 Shockproof Full Body with Screen Camera Protector Double Water Dust Drop Proof Hard Rugged Tough Bumper Front Back Cover Black**Cozycase**$20.47**4.2★14,802 rev](https://www.amazon.com/dp/B07X9K5D1Y) [5**LOVE BEIDI for iPhone 11 Waterproof Case 6.1 Screen Protector Underwater Shockproof Full-Body Dustproof Rugged Case for Aplle iPhone 11 (Cyan Green)**LOVE BEIDI**$19.16**4.1★6,590 rev](https://www.amazon.com/dp/B0817NS938)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![jaroco Magnetic for iPhone 11 Case [Compatible with MagSafe][Military Grade Drop Protection][Heavy Duty Protection][Non-Slip][Shockproof] 2-Layer Durable Bumper Phone Case 6.1-Black](https://m.media-amazon.com/images/I/41vArqfbFgL.jpg)**jaroco Magnetic for iPhone 11 Case \[Compatible with MagSafe\]\[Military Grade Drop Protection\]\[Heavy Duty Protection\]\[Non-Slip\]\[Shockproof\] 2-Layer Durable Bumper Phone Case 6.1-Black**jaroco**$9.09**11,796 rev1y ago](https://www.amazon.com/dp/B0F48BYG8S) [![Diverbox for iPhone 11 Case [Shockproof] [Dropproof] [Tempered Glass Screen Protector] Heavy Duty Protection Phone Case Cover for Apple iPhone 11 (Black-3in1)](https://m.media-amazon.com/images/I/41PFKFoBcWL.jpg)**Diverbox for iPhone 11 Case \[Shockproof\] \[Dropproof\] \[Tempered Glass Screen Protector\] Heavy Duty Protection Phone Case Cover for Apple iPhone 11 (Black-3in1)**Diverbox**$10.09**10,174 rev2y ago](https://www.amazon.com/dp/B09Y1VC2K9) [![Lamicall Waterproof Phone Pouch Case - [2 Pack] IPX8 Beach & Cruise Essentials Touch Screen Easy Lock Cell Phone Dry Bag for iPhone 17 16 15 14 13 12 11 Pro Max Plus Galaxy S25 fit 7 with Case](https://m.media-amazon.com/images/I/51qx4t2JcZL.jpg)**Lamicall Waterproof Phone Pouch Case - \[2 Pack\] IPX8 Beach & Cruise Essentials Touch Screen Easy Lock Cell Phone Dry Bag for iPhone 17 16 15 14 13 12 11 Pro Max Plus Galaxy S25 fit 7 with Case**Lamicall**$8.75**10,154 rev3y ago](https://www.amazon.com/dp/B0BQRDKRL6) [**LOVE BEIDI for iPhone 11 Waterproof case 6.1 Rugged Case with Screen Protector Shockproof Full-Body Dustproof Case for iPhone 11 - Black**LOVE BEIDI**$15.53**622 rev3y ago](https://www.amazon.com/dp/B0BTPSM72D) [**SPORTLINK for iPhone 11 Waterproof Case - Built-in Shockproof Screen Protector - IP68 Underwater Military Dropproof Full Body Protection Cover for iPhone 11 6.1 inch (Black)**SPORTLINK**$20.68**2,319 rev4y ago](https://www.amazon.com/dp/B09W9GNJVL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Lanhiem for iPhone 11 Case IP68 Waterproof Dustproof Case with Built-in Screen Protector Heavy Duty Full Body Protective Clear Back Phone Cover for iPhone 11 (Black)**Lanhiem**$19.55**4.2★**▲ 95%**](https://www.amazon.com/dp/B07Y5ZPCGF) [**LOVE BEIDI for iPhone 11 Waterproof case 6.1 Rugged Case with Screen Protector Shockproof Full-Body Dustproof Case for iPhone 11 - Black**LOVE BEIDI**$15.53**4.2★**▲ 93%**](https://www.amazon.com/dp/B0BTPSM72D) [**LOVE BEIDI for iPhone 11 Waterproof Case 6.1 Screen Protector Underwater Shockproof Full-Body Dustproof Rugged Case for Aplle iPhone 11 (Clove Purple)**LOVE BEIDI**$19.39**4.1★**▲ 41%**](https://www.amazon.com/dp/B08K8GQJZ7) [**LOVE BEIDI for iPhone 11 Waterproof Case 6.1 Screen Protector Underwater Shockproof Full-Body Dustproof Rugged Case for Aplle iPhone 11 (Cyan Green)**LOVE BEIDI**$19.16**4.1★**▲ 37%**](https://www.amazon.com/dp/B0817NS938) [**SPORTLINK for iPhone 11 Waterproof Case - Built-in Shockproof Screen Protector - IP68 Underwater Military Dropproof Full Body Protection Cover for iPhone 11 6.1 inch (Black)**SPORTLINK**$20.68**4.3★**▲ 34%**](https://www.amazon.com/dp/B09W9GNJVL)
**~~View all trending →~~**
## **What buyers say about iphone 11 waterproof case**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Water Resistance**19%
*“Totally Waterproof”*
**Quality-Overall**13%
*“Well made and easy to use”*
**Value For Money**10%
*“Great value”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Size-Overall**7%
*“Great Fit”*
**Drop/Impact Protection**6%
*“Works well, protective”*
**Ease Of Use**5%
*“EASY TO USE”*
**Durability**5%
*“Amazing durability”*
**Efficiency**4%
*“the pouch is working great”*
**Strength**3%
*“Strong and quality case, perfect”*
### **What buyers complain about **
**Size-Overall**12%
*“My phone barely fit”*
**Ease Of Use**10%
*“too hard to use”*
**Durability**9%
*“Broke in 1 week”*
**Water Resistance**7%
*“I cannot rate how waterproof the case is”*
**Quality-Overall**5%
*“Cheap product”*
**Charging**5%
*“The closure system for the charge port is falling apart from opening it to charge”*
**Compatibility-Overall**5%
*“This did not fit my iPhone 17pro max”*
**Touch/Button Controls**4%
*“The touch screen didn't work very well through the cover, unfortunately”*
**Defective Material/Parts**3%
*“Product was broken when received”*
**Thickness**2%
*“These are thick plastic”*
### **Top return reasons **
**Size-Overall**61%
**Compatibility-Overall**6%
**Value For Money**6%
**Advertised Vs Actual Product**4%
**Ease Of Use**3%
**Functionality-Overall**3%
**Quality-Overall**2%
**Water Resistance**2%
**Touch Screen**1%
**Color**1%
## **Common questions**
- **Is iphone 11 waterproof case profitable to sell on Amazon United States?**
- The niche generates $54K/yr across 15 tracked products. 90-day search growth is +5.1%. Flapen's verdict: Skip it (39/100).
- **How competitive is the iphone 11 waterproof case niche?**
- 11 brands and 17 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in iphone 11 waterproof case?**
- Top complaints mined from reviews: Size-Overall, Ease Of Use, Durability. The return rate is 4.3%.
- **When does demand for iphone 11 waterproof case peak?**
- Demand peaks in Jul–Aug; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the iphone 11 waterproof case niche?**
- Listings span $8.75–$30.03; the average listing price is $17.92 (sweet spot $15–$100). The average incumbent carries 10,705 reviews — the moat a new listing must climb.
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