iphone underwater case
Worth a lookShows a sweet-spot price point ($33.18 avg), but a deep review moat (12,744 avg reviews) keeps it on the watch list.
Avg price
Incredible$33.18avg listing price — sweet spot $15–$100
Price range
Great$8.17–$76.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great56%top-5 brand share — no brand owns this niche
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Growth
Okay+11.9%90-day search growth — must beat 0% to launch
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Returns
Okay4.4%return rate — above 5% kills the launch gate
Market size
Bad$83K$83K/yr · 98K searches
Review moat
Bad12,744.33avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, iphone underwater case is a $83K/yr Amazon United States market (98K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Mar–May–Jun. Verdict: Worth a look — 50/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
iphone underwater case market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $83K–$100K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #2,785
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 8.1%
- Avg brand age
- 31 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
19 falling
Sellers
32
Top-5 brand share
56%
Top 20: 88%
Top-5 click share
49%
Top 20: 89%
Open market
32%
- Hiearcool15%
- TELESIN14%
- --12%
- Eivitrevy11%
- Towevine8%
- Pelican8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +11.9% search growth over the last 90 days.Peak months: Mar, May, Jun · busiest ÷ quietest = 3.6×
Top iphone underwater case search terms
- iphone underwater case15K/yr
- diving phone case11K/yr
- snorkeling phone case10K/yr
- underwater iphone case9K/yr
- underwater iphone case for snorkeling11K/yr
- underwater snorkeling phone case8K/yr
- underwater case for iphone7K/yr
- iphone underwater case for snorkeling6K/yr
- water proof cases iphone4K/yr
- underwater phone case for snorkeling4K/yr
Top iphone underwater 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TELESIN Universal Underwater Phone Case for Snorkeling and Diving Waterproof Housing for Photo & Video Handle Grip for iPhone 7-17 Pro/Pro Max/Plus/Mini Galaxy S10-S26 Ultra/Plus and Most Phones
TELESIN$72.604.2★1,786 rev
YNVYFI 2026 Underwater Snorkeling Diving Phone Case for Phone 17/16/15/14/13/12Pro Max/Galaxy S26/S25/S24/S23.(50ft/15m) Professional Scuba Dive Waterproof Case Underwater Photo VideoBlue
--$37.054.2★768 rev
Hiearcool Waterproof Phone Pouch IPX8 Waterproof Phone Case for iPhone 17/16/15/14 Pro Max Cell Phone Dry Bag for Beach & Cruise Essentials Touch Screen Lanyard Included 2 Pack (Fits Up to 8.9)
Hiearcool$9.004.6★111,802 rev
Pelican 2 Pack Marine - IP68 Waterproof Phone Pouch (Regular Size) Floating Waterproof Phone Case - Beach Cruise Ship Travel Essentials - Works w/All Phones - Detachable Lanyard - Black/Hi-Vis Yellow
Pelican$26.604.4★15,801 rev
![Underwater Phone Case for Snorkeling [50ft/15M] Professional Deep Diving Waterproof Phone Case for iPhone 17-7 Pro/Pro Max/Plus/Mini 16/17E SE 2/3 Galaxy S10-S25 Plus/Ultra A21-A56 [Blue]](https://m.media-amazon.com/images/I/51JoKyPKfvL.jpg)
Underwater Phone Case for Snorkeling [50ft/15M] Professional Deep Diving Waterproof Phone Case for iPhone 17-7 Pro/Pro Max/Plus/Mini 16/17E SE 2/3 Galaxy S10-S25 Plus/Ultra A21-A56 [Blue]
Eivitrevy$36.164.1★117 rev
Newest
by launch date![ibelief Underwater Phone Case for Snorkeling Design for iPhone [50ft/15m] Diving Waterproof Housing for Photo & Video Handle Grip for iPhone 17 16 15 14 13 12 Pro Max Up to 6.9 inch Black](https://m.media-amazon.com/images/I/513EdfR0i2L.jpg)
ibelief Underwater Phone Case for Snorkeling Design for iPhone [50ft/15m] Diving Waterproof Housing for Photo & Video Handle Grip for iPhone 17 16 15 14 13 12 Pro Max Up to 6.9 inch Black
ibelief$39.5915 rev
![Upgrade Underwater Phone Case for Snorkeling [50ft/15M] Deep IPX8 Waterproof Hard-Shell Scuba Diving Cases for iPhone 17-11 Pro/PM/Plus X/Xr/Xs Max 16/17E 13/12Mini 8/7P SE2/3 [Gray-Pro]](https://m.media-amazon.com/images/I/51GznfKvR9L.jpg)
Upgrade Underwater Phone Case for Snorkeling [50ft/15M] Deep IPX8 Waterproof Hard-Shell Scuba Diving Cases for iPhone 17-11 Pro/PM/Plus X/Xr/Xs Max 16/17E 13/12Mini 8/7P SE2/3 [Gray-Pro]
Eivitrevy$37.6616 rev
![DANZHANG Upgrade IP68 Underwater Phone Case for Snorkeling [50ft/15M] Professional Waterproof Diving Case Designed for iPhone 7-17 Pro Max/Pro/Plus/Mini SE 2/3 Underwater Photo & Video Gray](https://m.media-amazon.com/images/I/51zExVWsSrL.jpg)
DANZHANG Upgrade IP68 Underwater Phone Case for Snorkeling [50ft/15M] Professional Waterproof Diving Case Designed for iPhone 7-17 Pro Max/Pro/Plus/Mini SE 2/3 Underwater Photo & Video Gray
DANZHANG$33.3231 rev
![DANZHANG Upgrade Underwater Phone Case for Snorkeling [50ft/15M] Deep Diving Waterproof Phone Case for iPhone 17-7 Pro/Pro Max/Plus/Mini 16/17E SE 2/3 Galaxy S10-S25 Plus/Ultra A21-A56 (Classic)](https://m.media-amazon.com/images/I/5141n2i5ZWL.jpg)
DANZHANG Upgrade Underwater Phone Case for Snorkeling [50ft/15M] Deep Diving Waterproof Phone Case for iPhone 17-7 Pro/Pro Max/Plus/Mini 16/17E SE 2/3 Galaxy S10-S25 Plus/Ultra A21-A56 (Classic)
DANZHANG$36.0459 rev
Underwater Phone Case for Snorkeling - Waterproof Touchscreen Diving Housing Universal Underwater Phone Case for iPhone 16/15/14/13 Pro Max Samsung Galaxy S26/S25/S24 Ultra Up to 6.9 (Black)
ibelief$56.5543 rev
Trending
90-day click momentumDANZHANG Upgrade IP68 Underwater Phone Case for Snorkeling [50ft/15M] Professional Waterproof Diving Case Designed for iPhone 7-17 Pro Max/Pro/Plus/Mini SE 2/3 Underwater Photo & Video Gray
DANZHANG$33.324.5★
Underwater Phone Case for Snorkeling - Waterproof Touchscreen Diving Housing Universal Underwater Phone Case for iPhone 16/15/14/13 Pro Max Samsung Galaxy S26/S25/S24 Ultra Up to 6.9 (Black)
ibelief$56.554.3★
ibelief Underwater Phone Case for Snorkeling Design for iPhone [50ft/15m] Diving Waterproof Housing for Photo & Video Handle Grip for iPhone 17 16 15 14 13 12 Pro Max Up to 6.9 inch Black
ibelief$39.594.3★
Upgrade Underwater Phone Case for Snorkeling [50ft/15M] Deep IPX8 Waterproof Hard-Shell Scuba Diving Cases for iPhone 17-11 Pro/PM/Plus X/Xr/Xs Max 16/17E 13/12Mini 8/7P SE2/3 [Gray-Pro]
Eivitrevy$37.664.4★
YIXXI 100ft/30M Scuba Diving Phone Case Universal Underwater Waterproof Housing for Snorkeling Compatible with iPhone 17-7 Pro Max Galaxy S26-S10 Ultra Gen 5 Black
YIXXI$53.994.2★
What buyers say about iphone underwater case
What buyers praise and complain about, mined from review topics.What buyers love
“Fully waterproof”
“The build quality feels solid right out of the box”
“As advertised”
“Very handy”
“Great fit”
“Worth The Money”
“efficient”
“The image quality was decent”
“Very durable”
“Great Protection”
What buyers complain about
“Too big”
“NOT waterproof”
“Hard to use”
“Cheaper quality than I would normally purchase”
“I couldn't press the buttons”
“Fell apart first use”
“it does not work with any devices I have at the moment”
“not functional”
“the pictures are blurry”
“Doesnt charge”
Top return reasons
Common questions
- Is iphone underwater case profitable to sell on Amazon United States?
- The niche generates $83K/yr across 30 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +11.9%. Flapen's verdict: Worth a look (50/100).
- How competitive is the iphone underwater case niche?
- 19 brands and 32 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 56% of demand.
- What do buyers complain about in iphone underwater case?
- Top complaints mined from reviews: Size-Overall, Water Resistance, Ease Of Use. The return rate is 4.4%.
- When does demand for iphone underwater case peak?
- Demand peaks in Mar–May–Jun; the busiest month runs 3.6× the quietest.
- What does it cost to enter the iphone underwater case niche?
- Listings span $8.17–$76.22; the average listing price is $33.18 (sweet spot $15–$100). The average incumbent carries 12,744 reviews — the moat a new listing must climb.