Iphone 17 Pro Max Waterproof Case Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Iphone 17 Pro Max Waterproof Case sales on Amazon US totaled 91,650 units in July 2026 (▲ 2.9% vs. the prior month), generating an estimated $2,055,803 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 80.7% of unit volume and 71.5% of revenue, while a typical listing is priced at $33.30. The keyword itself pulled 13,597 Amazon queries over the same period (▼ 21.5% MoM).
Zooming out to the 12-month window ending July 2026, the iphone 17 pro max waterproof case Top 50 moved 644,950 units and $13,438,294 in cumulative sales — an average of 53,746 units and $1,119,858 per month. Monthly throughput topped out at 91,650 units in July 2026 and dipped to 33,200 in September 2025, leaving the latest reading 88.6% higher than August 2025.
Iphone 17 Pro Max Waterproof Case Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
91.7K
▲ 2.9% MoM
Monthly Revenue 2026/07
$2.1M
▲ 18.5% MoM
Top 10 Market Share 2026/07
80.7%
Iphone 17 Pro Max Waterproof Case Market Share & Sales Concentration on Amazon US — July 2026
The most-sold iphone 17 pro max waterproof case listing on Amazon US in July 2026 is ASIN B079HV3TC9 (Brand: Hiearcool), which sold 10,000 units at $9.99 apiece — equal to 10.9% of every unit tracked in this report.
The Top 10 ASINs account for 74,000 units and $1,469,330 in July 2026 — 80.7% of unit volume and 71.5% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Iphone 17 Pro Max Waterproof Case' on Amazon
July 2026
![Lamicall Waterproof Phone Pouch, [2 Pack] IPX8 Water Proof Cell Phone Case | Beach & Cruise Essentials, Touch Screen, Dry Bag for iPhone 17 16 15 14 13 12 11 Pro Max Plus, Galaxy S25, for 7" with Case (ASIN B0BQRDKRL6), rank #2 by monthly sales volume for 'Iphone 17 Pro Max Waterproof Case' on Amazon](https://m.media-amazon.com/images/I/81YbMK6L8uL._AC_UY512_.jpg)
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Top 5 Volume Share breakdown
B079HV3TC9
Hiearcool Hiearcool Waterproof Phone Pouch, Waterproof Phone Case, Black&Green 2-Pack | Durable multilayer IPX8 protection; touchscreen access and fit up to 8.9 inches; cruise essentials 2026 for beach and pool
10K
▲ 0.0%vs. prior month
$89.6K
latest month
12-month trend
B0BQRDKRL6
Lamicall Waterproof Phone Pouch, [2 Pack] IPX8 Water Proof Cell Phone Case | Beach & Cruise Essentials, Touch Screen, Dry Bag for iPhone 17 16 15 14 13 12 11 Pro Max Plus, Galaxy S25, for 7" with Case
10K
▲ 0.0%vs. prior month
$86.4K
latest month
12-month trend
B0BHQTBQ3D
Hiearcool Waterproof Phone Pouch, Waterproof Phone Case, 2-Pack Clear | Durable multilayer IPX8 protection; touchscreen access and fit up to 8.9 inches; cruise essentials 2026 for beach and pool
10K
▲ 0.0%vs. prior month
$119.9K
latest month
12-month trend
B0FSNCV7VV
OtterBox iPhone 17 Pro Max Defender Pro Series Case - Black | Tough, Rugged & Durable iPhone Case, Snaps on MagSafe, Multi-Layer, Impact Absorbing iPhone Case
8K
▼ 20.0%vs. prior month
$521.4K
latest month
12-month trend
B09WF6BTXY
Pelican 2 Pack Marine Waterproof Phone Pouch (Regular) -Black/Hi-Vis Yellow | Touchscreen IP68 Floating Waterproof Phone Case w/Detachable Lanyard - Fits All Phones - Beach Cruise Ship Travel Essentials
8K
▼ 20.0%vs. prior month
$236.1K
latest month
12-month trend
B0BV6DF22F
CACOE CACOE Floatable Waterproof Phone Pouch 2 Pack Up to 7.0",Black+Green | Floatable, IPX8 Waterproof Phone Case,Adjustable Lanyard,Dry Bags for Beach/Cruise/Travel/Camping/Kayak/Vacation Essentials
7K
▼ 30.0%vs. prior month
$69.9K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Iphone 17 Pro Max Waterproof Case Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Hiearcool is the best-performing iphone 17 pro max waterproof case brand in July 2026, moving 20,000 units across 2 ASINs for 27.0% of Top 10 volume. Lamicall follows with 14,000 units (18.9%), ahead of OtterBox on 8,000 units (10.8%).
Volume is spread across 8 brands, with the top three holding 56.8% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $10.99 to $74.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Hiearcool
2 ASINs in Top 10
27.0%
Units
20K
Revenue
$209.5K
Avg. price
$10.99
B079HV3TC9
$9.99·★4.6·113.8K revsHiearcool Hiearcool Waterproof Phone Pouch, Waterproof Phone Case, Black&Green 2-Pack | Durable multilayer IPX8 protection; touchscreen access and fit up to 8.9 inches; cruise essentials 2026 for beach and pool
Units sold10KB0BHQTBQ3D
$11.99·★4.6·113.8K revsHiearcool Waterproof Phone Pouch, Waterproof Phone Case, 2-Pack Clear | Durable multilayer IPX8 protection; touchscreen access and fit up to 8.9 inches; cruise essentials 2026 for beach and pool
Units sold10K
Lamicall
2 ASINs in Top 10
18.9%
Units
14K
Revenue
$166.3K
Avg. price
$14.49
B0BQRDKRL6
$8.99·★4.4·11.7K revsLamicall Waterproof Phone Pouch, [2 Pack] IPX8 Water Proof Cell Phone Case | Beach & Cruise Essentials, Touch Screen, Dry Bag for iPhone 17 16 15 14 13 12 11 Pro Max Plus, Galaxy S25, for 7" with Case
Units sold10KB0G5PTGLHT
$19.99·★4.5·578 revsLamicall IP68 Floating Waterproof Phone Pouch, 2 Pack Waterproof Phone Case | 100ft Waterproof, HD Underwater Photos, Touchscreen for iPhone 17 16 15 14 13 Pro Max, Galaxy S26 S25 S24 Ultra, Fit 4-8.5"
Units sold4K
OtterBox
1 ASIN in Top 10
10.8%
Units
8K
Revenue
$521.4K
Avg. price
$74.99
B0FSNCV7VV
$74.99·★4.4·4.2K revsOtterBox iPhone 17 Pro Max Defender Pro Series Case - Black | Tough, Rugged & Durable iPhone Case, Snaps on MagSafe, Multi-Layer, Impact Absorbing iPhone Case
Units sold8K
Trending Iphone 17 Pro Max Waterproof Case Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0G5PTGLHT booked 4K units at $19.99, with ▲ 300.0% MoM change. On the growth side, B0GRV3874R leads positive momentum with ▲ 400.0% MoM growth on 500 units, with B0GT8V8ZNQ close behind at ▲ 300.0% MoM on 200 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0G5PTGLHT
Lamicall IP68 Floating Waterproof Phone Pouch, 2 Pack Waterproof Phone Case | 100ft Waterproof, HD Underwater Photos, Touchscreen for iPhone 17 16 15 14 13 Pro Max, Galaxy S26 S25 S24 Ultra, Fit 4-8.5"
Price
$19.99
Rating
4.5
Reviews
578
Latest month sales
B0GRV3874R
DANZHANG IP68 Underwater Phone Case for Snorkeling, (50ft/15M) Professional Waterproof Diving Case (2026 Latest), for iPhone 7-17 Pro Max/Pro/Plus/Mini, SE 2/3, Underwater Photo & Video（Grey）
Price
$36.99
Rating
3.8
Reviews
77
Latest month sales
B0GT8V8ZNQ
for iPhone 17 Pro Max Case, IP68 Waterproof Full Body Protective Cover with Built-in Screen & Camera Protector, MagSafe Compatible Shockproof Military Armor for Swimming & Outdoor (Teal)
Unlock to view ASIN details and product titles
Price
$26.99
Rating
4.2
Reviews
8.3K
Latest month sales
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