---
title: "Shark Swim Trunks Men — $178K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/shark-swim-trunks-men"
last_updated: "2026-08-10T13:50:12.328Z"
locale: en
meta:
description: "Niche score 50/100 · $178K/yr market · 945K searches/yr · $42.83 avg price. Weak search conversion (0.4%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $178K/yr market · 945K searches/yr · $42.83 avg price. Weak search conversion (0.4%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Shark Swim Trunks Men — $178K/yr Amazon US Niche (2026) - Flapen"
---
# **shark swim trunks men**
**Worth a look**
Shows a fragmented shelf (top 5 take 15% of clicks), but weak search conversion (0.4%) keeps it on the watch list.
Market size 36Growth 78Conversion 6Competition 96Returns 15Price range 92Avg price 95Brand share 18Review moat 49Quality gap 30
**Competition**
**Incredible****15%**
top-5 click share — an open shelf
**Avg price**
**Incredible****$42.83**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.70–$79.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Great****+66.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,623.77**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$178K**
$178K/yr · 945K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Returns**
**Bad****7.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, shark swim trunks men is a $178K/yr Amazon United States market (945K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 50/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **shark swim trunks men market data**
- **Units sold / yr**
- **5K–6K**
- avg 0–100/product
- **Revenue / yr**
- **$214K–$257K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#124**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **96%**
- **Out of stock**
- **3.2%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.
**Brands**
**17 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**15%**
Top 20: 41%
**Open market**
**5%**
- Chubbies64% - maamgic17% - SURF CUZ6% - Sixfish4% - Amazon Essentials3% - Gleeease3% - Open — no brand owns it (11 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +66.4% search growth over the last 90 days.
60K40KHoliday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 6.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/shark-swim-trunks-men/trend)
## **Top shark swim trunks men search terms**
- **chubbies swim trunks**357K/yr+49.2%0.3% conv. - **chubbies**179K/yr+68.7%0.2% conv. - **chubbies shorts for men**166K/yr+87.0%0.5% conv. - **chubbies shorts**45K/yr+120.6%0.4% conv. - **chubbies swim trunks men**41K/yr+65.8%0.3% conv. - **chubbies swim trunks 7 inch**25K/yr+116.8%0.3% conv. - **mens chubbies swim trunks**28K/yr+50.0%0.2% conv. - **chubbies swim trunks 5.5 inch**17K/yr+62.4%0.3% conv. - **chubbies 7 inch swim trunks**8K/yr+431.3%0.3% conv. - **pineapple swim trunks men**17K/yr+61.2%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/shark-swim-trunks-men/search-terms)
## **Top shark swim trunks men 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%1%$2K2%$4K3%$5K4%$7K101001K10K 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**maamgic Mens Swim Trunks with Compression Liner 5 Inch Quick Dry Bathing Suit with Zipper Pockets Stretch No-Chafing Swim Shorts Pink-Palm Pineapple Medium**maamgic**$28.00**4.7★4,894 rev](https://www.amazon.com/dp/B0BLNQYKMW) [2**Chubbies Chino Shorts Men 7 Inch - Mens Shorts Casual with Elastic Waistband Side and Back Pockets Stretch Cotton Blend (The Travertines Large)**Chubbies**$51.98**4.1★456 rev](https://www.amazon.com/dp/B09V8D3TJ5) [3**Chubbies Mens Swim Trunks Mens Swim Shorts with 4-Way Stretch 7 Beach Shorts with Elastic Waist Drawstring Mesh Lining UPF 50+ Light Blue with Flamingos L**Chubbies**$54.19**4.6★476 rev](https://www.amazon.com/dp/B086R6WFYD) [4**Chubbies Everywear Mens Shorts Mens Shorts Casual 6in Inseam Elastic Waist Water-Resistant Zipper Pocket (Khakinators Medium)**Chubbies**$58.05**4.6★522 rev](https://www.amazon.com/dp/B09GCXQBW9) [5**Chubbies Mens Swim Trunks Mens Swim Shorts with 4-Way Stretch 5.5 Beach Shorts with Elastic Waist Drawstring Mesh Lining UPF 50+ (The Glades Medium)**Chubbies**$56.31**4.7★1,320 rev](https://www.amazon.com/dp/B086R616CM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sixfish Mens Swim Trunks with Compression Liner 7 Inch 2 in 1 Quick Dry Soft Board Shorts with Zipper Pockets for Beach Vacation Pool Parties**Sixfish**$20.89**113 rev4mo ago](https://www.amazon.com/dp/B0GQ52Q87D) [**Chubbies Chino Shorts Men 5.5 inch - Mens Shorts Casual with Elastic Waistband Side and Back Pockets Stretch Cotton Blend (Dunes X-Small)**Chubbies**$47.07**1,150 rev1y ago](https://www.amazon.com/dp/B0F5KDTMJT) [**Chubbies Mens Swim Trunks 5.5 Lined Classic 4-Way Stretch Mens Shorts Board Shorts with Built-in Boxer Brief Liner The Apex Swimmers Medium**Chubbies**$60.86**80 rev1y ago](https://www.amazon.com/dp/B0DK49HFZS) [**Chubbies Mens Swim Trunks Mens Swim Shorts with 4-Way Stretch 5.5 Beach Shorts with Elastic Waist Drawstring Mesh Lining UPF 50+ (The Havana Nights Large)**Chubbies**$56.59**1,320 rev2y ago](https://www.amazon.com/dp/B0D7HZV5MC) [**Chubbies Mens Swim Trunks Mens Swim Shorts with 4-Way Stretch 5.5 Beach Shorts with Elastic Waist Drawstring Mesh Lining UPF 50+ (The Toucan Do Its Small)**Chubbies**$34.75**1,320 rev2y ago](https://www.amazon.com/dp/B0D5LYL6R4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Chubbies Mens Swim Trunks Mens Swim Shorts with 4-Way Stretch 5.5 Beach Shorts with Elastic Waist Drawstring Mesh Lining UPF 50+ (The Toucan Do Its Small)**Chubbies**$34.75**4.7★**▲ 29%**](https://www.amazon.com/dp/B0D5LYL6R4) [**Sixfish Mens Swim Trunks with Compression Liner 7 Inch 2 in 1 Quick Dry Soft Board Shorts with Zipper Pockets for Beach Vacation Pool Parties**Sixfish**$20.89**4.6★**▲ 28%**](https://www.amazon.com/dp/B0GQ52Q87D) [**Chubbies Chino Shorts Men 5.5 Inch - Mens Shorts Casual with Elastic Waistband Side and Back Pockets Stretch Cotton Blend (Silver Linings Small)**Chubbies**$53.35**4.5★**▲ 28%**](https://www.amazon.com/dp/B086Q1NQBH) [**Chubbies Chino Shorts Men 5.5 inch - Mens Shorts Casual with Elastic Waistband Side and Back Pockets Stretch Cotton Blend (Dunes X-Small)**Chubbies**$47.07**4.5★**▲ 26%**](https://www.amazon.com/dp/B0F5KDTMJT) [**Chubbies Everywear Mens Shorts Mens Shorts Casual 6in Inseam Elastic Waist Water-Resistant Zipper Pocket (New Avenues Medium) Navy**Chubbies**$57.37**4.6★**▲ 23%**](https://www.amazon.com/dp/B09GCYYHWR)
**~~View all trending →~~**
## **What buyers say about shark swim trunks men**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**28%
*“it was to the size”*
**Comfort-Overall**15%
*“Extremely comfortable”*
**Quality-Overall**13%
*“Construction quality is just fine”*
**Material Quality**4%
*“Very nice material”*
**Color**4%
*“The colors are beautiful”*
**Value For Money**3%
*“Worth ever penny”*
**Advertised Vs Actual Product**3%
*“As depicted”*
**Pockets/Compartments**2%
*“The zipper pockets are a genuinely useful feature”*
**Soft Feel**2%
*“Soft”*
**Lining Quality**2%
*“I appreciate the tighter liner”*
### **What buyers complain about **
**Size-Overall**18%
*“Tight fit”*
**Strength**4%
*“Won't stay up”*
**Material Quality**4%
*“lightweight just the material seems cheap”*
**Stretchability/Expandability/Elasticity**4%
*“One concern is that the liner material is not elastic or stretchy so compression liner is not accurate”*
**Transparency**4%
*“The fabric isnt see-through when wet”*
**Value For Money**3%
*“a touch expensive”*
**Compression**3%
*“No Compression”*
**Print Quality**3%
*“The print on the inside legs”*
**Color**3%
*“Don't buy Grey”*
**Stitch/Finish/Polish**2%
*“Poor-quality stitching”*
### **Top return reasons **
**Size-Overall**57%
**Length**11%
**Waist Fit**10%
**Hip Fit**4%
**Color**4%
**Thigh Fit**3%
**Advertised Vs Actual Product**2%
**Material Quality**2%
**Inseam Fit**2%
**Shape/Style**1%
## **Common questions**
- **Is shark swim trunks men profitable to sell on Amazon United States?**
- The niche generates $178K/yr across 150 tracked products. 9 of 15 products launched in the last 360 days are still selling. 90-day search growth is +66.4%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the shark swim trunks men niche?**
- 17 brands and 51 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in shark swim trunks men?**
- Top complaints mined from reviews: Size-Overall, Strength, Material Quality. The return rate is 7.8% — above our launch gate.
- **When does demand for shark swim trunks men peak?**
- Demand peaks in Jun–Jul; the busiest month runs 6.3× the quietest.
- **What does it cost to enter the shark swim trunks men niche?**
- Listings span $12.70–$79.43; the average listing price is $42.83 (sweet spot $15–$100). The average incumbent carries 1,624 reviews — the moat a new listing must climb.
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