---
title: "Water Polo Ball — $155K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/water-polo-ball"
last_updated: "2026-08-06T20:21:12.775Z"
locale: en
meta:
description: "Niche score 62/100 · $155K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $155K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Water Polo Ball — $155K/yr Amazon US Niche (2026) - Flapen"
---
# **water polo ball**
**Worth a look**
Shows a thin review moat (61 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 33Growth 87Conversion 66Competition 69Returns 70Price range 93Avg price 95Brand share 31Review moat 97Quality gap 32
**Review moat**
**Incredible****61.09**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$34.52**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.97–$65.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Great****+89.5%**
90-day search growth — must beat 0% to launch
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$155K**
$155K/yr · 76K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, water polo ball is a $155K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 86% of demand. Verdict: Worth a look — 62/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **water polo ball market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$138K–$173K**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#51**
- **Page quality**
- **0%**
- **Prime**
- **79%**
- **Sponsored**
- **36%**
- **Out of stock**
- **13.6%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**43%**
Top 20: 89%
**Open market**
**9%**
- KAP K7 SEVEN33% - FORZA19% - Mikasa16% - Leitee12% - Jasonwell6% - The Dime Lab5% - Open — no brand owns it (4 brands, 9%)
## **Demand**
Weekly Amazon search volume, last 16 weeks — +89.5% search growth over the last 90 days.
3K2KSpike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/water-polo-ball/trend)
## **Top water polo ball search terms**
- **water polo ball**36K/yr+99.5%2.7% conv. - **water polo ball size 4**9K/yr+58.2%5.7% conv. - **waterpolo balls**9K/yr+131.7%2.9% conv. - **water polo ball size 5**7K/yr+124.5%6.7% conv. - **water polo ball size 3**7K/yr+63.5%2.6% conv. - **waterpolo ball**5K/yr+64.5%3.2% conv. - **water polo ball size 2**4K/yr+44.9%2.8% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/water-polo-ball/search-terms)
## **Top water polo ball 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%3%$5K6%$9K9%$14K12%$19K1101001K 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**Leitee 5/8.5 Inches Waterproof Pool Volleyball Swimming Water Beach Volleyball with Soft Cover Pump for Adults Game Outdoor Indoor Activities(Deep Blue/red/White 8.5 Inch)**Leitee**$15.23**4.0★56 rev](https://www.amazon.com/dp/B0GSQ8SHTZ) [2**KAP K7 SEVEN KAP7 Size 5 HydroGrip Water Polo Ball (NCAA and NFHS Official) Yellow**KAP K7 SEVEN**$39.79**4.9★20 rev](https://www.amazon.com/dp/B0FC55CGTM) [3**FORZA Water Polo Training Ball | Durable & Impact-Resistant Ball with Grip+ Technology - Suitable for All Ages (Size 3 Pack of 1)**FORZA**$17.86**4.9★10 rev](https://www.amazon.com/dp/B0DK5XP6QV) [4**Mikasa Water Polo Game Ball WP553C-Y**Mikasa**$48.17**4.3★8 rev](https://www.amazon.com/dp/B0CYSPBRG5) [5**FORZA Water Polo Pro Match Ball | Olympic-Quality Durable Rubber Blend with Grip+ Technology - FINA Approved for All Ages (Pack of 1 5)**FORZA**$32.86**5.0★4 rev](https://www.amazon.com/dp/B0DNQZXXRC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Leitee 5/8.5 Inches Waterproof Pool Volleyball Swimming Water Beach Volleyball with Soft Cover Pump for Adults Game Outdoor Indoor Activities(Deep Blue/red/White 8.5 Inch)**Leitee**$15.23**56 rev4mo ago](https://www.amazon.com/dp/B0GSQ8SHTZ) [**The Dime Lab Water Football - Waterproof Football for Pools Beaches & Lakes - Strong Grip Training Outdoor All-Weather Water Toys for All Ages - Black**The Dime Lab**$31.83**80 rev1y ago](https://www.amazon.com/dp/B0F5JZKKZS) [**FORZA Water Polo Pro Match Ball | Olympic-Quality Durable Rubber Blend with Grip+ Technology - FINA Approved for All Ages (Pack of 1 5)**FORZA**$32.86**4 rev1y ago](https://www.amazon.com/dp/B0DNQZXXRC) [**FORZA Water Polo Pro Match Ball | Olympic-Quality Durable Rubber Blend with Grip+ Technology - FINA Approved for All Ages (Pack of 1 4)**FORZA**$35.57**4 rev1y ago](https://www.amazon.com/dp/B0DNQYXD8D) [**FORZA Water Polo Training Ball | Durable & Impact-Resistant Ball with Grip+ Technology - Suitable for All Ages (Size 3 Pack of 1)**FORZA**$17.86**10 rev1y ago](https://www.amazon.com/dp/B0DK5XP6QV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Jasonwell Waterproof Football Pool Toys - Strong Grip Soft Football for All-Weather Play Pool Games Beach Toys Water Footballs Outdoor Sports Toy Christmas Birthday Gifts for Kids Boys Teens Adults**Jasonwell**$13.97**4.7★**▲ 135%**](https://www.amazon.com/dp/B0BQR7VK1C) [**Leitee 5/8.5 Inches Waterproof Pool Volleyball Swimming Water Beach Volleyball with Soft Cover Pump for Adults Game Outdoor Indoor Activities(Deep Blue/red/White 8.5 Inch)**Leitee**$15.23**4.0★**▲ 135%**](https://www.amazon.com/dp/B0GSQ8SHTZ) [**The Dime Lab Water Football - Waterproof Football for Pools Beaches & Lakes - Strong Grip Training Outdoor All-Weather Water Toys for All Ages - Black**The Dime Lab**$31.83**4.3★**▲ 131%**](https://www.amazon.com/dp/B0F5JZKKZS) [**KAP K7 SEVEN KAP7 Neon Pink Water Polo Ball: Size 3**KAP K7 SEVEN**$29.90**5.0★**▲ 103%**](https://www.amazon.com/dp/B0CWFDQWRD) [**FORZA Water Polo Pro Match Ball | Olympic-Quality Durable Rubber Blend with Grip+ Technology - FINA Approved for All Ages (Pack of 1 5)**FORZA**$32.86**5.0★**▲ 98%**](https://www.amazon.com/dp/B0DNQZXXRC)
**~~View all trending →~~**
## **What buyers say about water polo ball**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**15%
*“100% 100% fun the kids love it”*
**Water Resistance**13%
*“Great ball for regular backyard play or in the water”*
**Quality-Overall**12%
*“The quality of the ball is good”*
**Inflation/Deflation**9%
*“Easy to inflate, deflate and great quality”*
**Grip**8%
*“Great grip”*
**Exercise/Sports Suitability**7%
*“sport well”*
**Soft Feel**5%
*“It has a good feel”*
**Material Quality**4%
*“Another thing the material the ball is made up of is nice”*
**Value For Money**3%
*“The volleyball are great and great price”*
**Advertised Vs Actual Product**2%
*“Works as advertised”*
### **What buyers complain about **
**Size-Overall**25%
*“The ball is small”*
**Durability**14%
*“seems like it will not last long”*
**Quality-Overall**9%
*“Bad quality”*
**Advertised Vs Actual Product**6%
*“its all advertising hype”*
**Inflation/Deflation**6%
*“Doesnt hold air”*
**Grip**6%
*“The grip on this was weird”*
**Suitability Humid Weather**3%
*“the grip is terrible in rain or dry as day”*
**Suitability Hot Weather**3%
*“will not throw well with the wind at the beach”*
**Water Resistance**2%
*“Outside the water its a little slippery”*
**Hard Feel**2%
*“These aren't quite as soft as some other outdoor balls I've used”*
### **Top return reasons **
**Size-Overall**68%
**Inflation/Deflation**6%
**Grip**5%
**Advertised Vs Actual Product**4%
**Value For Money**4%
**Material Quality**2%
**Leak-Proof**1%
**Water Resistance**1%
**Quality-Overall**1%
**Durability**1%
## **Common questions**
- **Is water polo ball profitable to sell on Amazon United States?**
- The niche generates $155K/yr across 33 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +89.5%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the water polo ball niche?**
- 10 brands and 19 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in water polo ball?**
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.2%.
- **What does it cost to enter the water polo ball niche?**
- Listings span $13.97–$65.77; the average listing price is $34.52 (sweet spot $15–$100). The average incumbent carries 61 reviews — the moat a new listing must climb.
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