---
title: "Submarine Bath Toy — $42K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/submarine-bath-toy"
last_updated: "2026-08-08T11:50:16.189Z"
locale: en
meta:
description: "Niche score 54/100 · $42K/yr market · 49K searches/yr · $18.39 avg price. A small market ($42K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $42K/yr market · 49K searches/yr · $18.39 avg price. A small market ($42K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Submarine Bath Toy — $42K/yr Amazon US Niche (2026) - Flapen"
---
# **submarine bath toy**
**Worth a look**
Shows low returns (1.1%), but a small market ($42K/yr) keeps it on the watch list.
Market size 11Growth 57Conversion 56Competition 73Returns 92Price range 76Avg price 83Brand share 34Review moat 41Quality gap 45
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.39**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.14–$39.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****41%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Good****+31.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Good****4.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,401.53**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$42K**
$42K/yr · 49K searches
According to Flapen's Amazon United States niche tracking, submarine bath toy is a $42K/yr Amazon United States market (49K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jul–Dec. Verdict: Worth a look — 54/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **submarine bath toy market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$46K–$55K**
- units × avg price
- **Conversion rate**
- **4.7%**
- **Avg BSR**
- **#364**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **63%**
- **Out of stock**
- **5.4%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**43**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**41%**
Top 20: 85%
**Open market**
**12%**
- Green Toys63% - YEIBOBO !7% - SplashEZ6% - Miracland5% - Skip Hop3% - Toysmith3% - Open — no brand owns it (9 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +31.9% search growth over the last 90 days.
2K2KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Dec · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/toys-games/submarine-bath-toy/trend)
## **Top submarine bath toy search terms**
- **submarine pool toy**6K/yr+555.6%3.1% conv. - **green toys boat**10K/yr+67.0%8.1% conv. - **submarine bath toy**16K/yr-39.0%4.8% conv. - **pool submarine**4K/yr+265.5%1.0% conv. - **green toys bath toys**10K/yr-43.5%5.5% conv. - **green toys bath**3K/yr-8.5%5.6% conv. [**All search terms **](https://flapen.com/research/us/toys-games/submarine-bath-toy/search-terms)
## **Top submarine bath toy 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%5%$2K10%$4K15%$6K20%$8K1101001K10K100K 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**Green Toys Submarine - Bpa Phthalate Free Blue Watercraft with Spinning Rear Propeller Made from Recycled Materials. Safe Toys for Toddlers**Green Toys**$12.45**4.7★7,815 rev](https://www.amazon.com/dp/B008LQXR8W) [2**Green Toys Tugboat**Green Toys**$14.65**4.8★3,866 rev](https://www.amazon.com/dp/B0036WSVOQ) [3**Green Toys Ferry Boat with Mini Cars Bathtub Toy Blue/White Standard**Green Toys**$14.92**4.8★17,461 rev](https://www.amazon.com/dp/B00BN6QAVI) [4**SplashEZ Bath Toys for Kids Ages 4-8 Kids Bath Toys for Boys Mold Free No Hole Sealed Soft Durable Army Play Set Submarine Tank Airplane Jet No Mold for Water Tub & Pool Ages 0-1-3-4-5-6-8**SplashEZ**$10.53**4.7★1,031 rev](https://www.amazon.com/dp/B0CP2PHKWS) [5**Green Toys Ferry Boat Blue/White 4C - Pretend Play Motor Skills Kids Bath Toy Floating Vehicle. No BPA phthalates PVC. Dishwasher Safe Recycled Plastic Made in USA.**Green Toys**$16.42**4.8★243 rev](https://www.amazon.com/dp/B08Q9T6H5T)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Submarine Assorted**Green Toys**$9.67**8 rev7mo ago](https://www.amazon.com/dp/B0G84KYTT1) [**Tub Works Ocean Rescue Vehicles Light Up Bath Toys 6 Pack | Water-Activated Light Up Toys Flash & Change Color | Easy-Grip Baby & Toddler Bath Toys | Sensory Toys with Bath Lights for Kids Bath**Tub Works**$15.74**552 rev7mo ago](https://www.amazon.com/dp/B0G5WBGTWK) [**Ferry Boat-Submarine Bundle**Green Toys**$24.15**1 rev8mo ago](https://www.amazon.com/dp/B0G26WYYPR) [**Rescue Boat & Helicopter - CB**Green Toys**$15.73**13 rev9mo ago](https://www.amazon.com/dp/B0FWQCKD4D) [**Torpedo Strike DartFin 11.25 Pro Size Ultra Premium Pool Torpedo Rocket Glides Up to 40 Feet Like Underwater Football for Underwater Passing Games Underwater Torpedo Large Diving Toy Glider (Yellow)**Torpedo Strike**$39.90**246 rev1y ago](https://www.amazon.com/dp/B0DZNT2S3J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Torpedo Strike DartFin 11.25 Pro Size Ultra Premium Pool Torpedo Rocket Glides Up to 40 Feet Like Underwater Football for Underwater Passing Games Underwater Torpedo Large Diving Toy Glider (Yellow)**Torpedo Strike**$39.90**4.6★**▲ 235%**](https://www.amazon.com/dp/B0DZNT2S3J) [**YEIBOBO ! 6 Channels Mini RC Submarine Toy (Black)**YEIBOBO !**$32.83**3.8★**▲ 176%**](https://www.amazon.com/dp/B07V3CQ1J2) [**Submarine Assorted**Green Toys**$9.67**5.0★**▲ 155%**](https://www.amazon.com/dp/B0G84KYTT1) [**Tub Works Ocean Rescue Vehicles Light Up Bath Toys 6 Pack | Water-Activated Light Up Toys Flash & Change Color | Easy-Grip Baby & Toddler Bath Toys | Sensory Toys with Bath Lights for Kids Bath**Tub Works**$15.74**4.4★**▲ 135%**](https://www.amazon.com/dp/B0G5WBGTWK) [**Ferry Boat-Submarine Bundle**Green Toys**$24.15**5.0★**▲ 122%**](https://www.amazon.com/dp/B0G26WYYPR)
**~~View all trending →~~**
## **What buyers say about submarine bath toy**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**40%
*“Lots of Fun”*
**Quality-Overall**13%
*“Good Quality Toy”*
**Water Resistance**5%
*“The remote control is water proof too”*
**Brightness/Shine/Glow**5%
*“Super bright”*
**Size-Overall**4%
*“they are good size”*
**Durability**4%
*“Super cute and durable toys”*
**Value For Money**3%
*“Worth it”*
**Color**2%
*“The colors are bright”*
**Gifting Purpose**2%
*“Exciting birthday present”*
**Advertised Vs Actual Product**2%
*“Works as claimed”*
### **What buyers complain about **
**Size-Overall**34%
*“Wasn't true to size”*
**Quality-Overall**7%
*“the quality is a bit mixed”*
**Durability**7%
*“Not super durable”*
**Value For Money**6%
*“Little to expensive for what I got”*
**Functionality-Overall**6%
*“The motion function of this does not work well”*
**Water Resistance**4%
*“Does not work under water”*
**Advertised Vs Actual Product**3%
*“description lied”*
**Battery Life**3%
*“One battery also faded fairly quickly compared to the others”*
**Brightness/Shine/Glow**3%
*“even those are dim”*
**Charging**2%
*“The battery would not charge”*
### **Top return reasons **
**Size-Overall**38%
**Functionality-Overall**9%
**Value For Money**7%
**Defective Material/Parts**5%
**Advertised Vs Actual Product**5%
**Battery Inclusion**5%
**Quality-Overall**4%
**Charging**3%
**Remote Control**2%
**Color**2%
## **Common questions**
- **Is submarine bath toy profitable to sell on Amazon United States?**
- The niche generates $42K/yr across 32 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +31.9%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the submarine bath toy niche?**
- 15 brands and 43 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in submarine bath toy?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 1.1%.
- **When does demand for submarine bath toy peak?**
- Demand peaks in Jul–Dec; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the submarine bath toy niche?**
- Listings span $7.14–$39.90; the average listing price is $18.39 (sweet spot $15–$100). The average incumbent carries 2,402 reviews — the moat a new listing must climb.
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