---
title: "100 Gallon Fish Tank — $270K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/100-gallon-fish-tank"
last_updated: "2026-07-21T17:40:33.721Z"
locale: en
meta:
description: "Niche score 58/100 · $270K/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 58/100 · $270K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "100 Gallon Fish Tank — $270K/yr Amazon US Niche (2026) - Flapen"
---
# **100 gallon fish tank**
**Worth a look**
Shows a thin review moat (91 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 49Growth 20Conversion 7Competition 91Returns 93Price range 5Avg price 53Brand share 89Review moat 95Quality gap 75
**Review moat**
**Incredible****90.63**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.1%**
return rate — above 6% kills the launch gate
**Competition**
**Great****24%**
top-5 click share — an open shelf
**Brand share**
**Great****46%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$167.35**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$270K**
$270K/yr · 311K searches
**Growth**
**Bad****-9.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$87.18–$352.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 100 gallon fish tank is a $270K/yr Amazon United States market (311K searches/yr). The top 5 brands hold 46% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **100 gallon fish tank market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$251K–$335K**
- units × avg price
- **Launch success**
- **41%**
- 21 of 51 new (360d)
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#132**
- **Page quality**
- **0%**
- **Prime**
- **34%**
- **Sponsored**
- **96%**
- **Out of stock**
- **37.5%**
- **Avg brand age**
- **25 months**
- **Avg seller age**
- **192 days**
## **Competition & brand share**
Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.
**Brands**
**45 **▲rising
**Sellers**
**50**
**Top-5 brand share**
**46%**
Top 20: 85%
**Top-5 click share**
**24%**
Top 20: 57%
**Open market**
**49%**
- VOWNER15% - 4ever2buy9% - Hlivelood8% - Urban Deco7% - DALEMHOME6% - FUXJUM5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.9% search growth over the last 90 days.
8K6KHoliday '24Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/100-gallon-fish-tank/trend)
## **Top 100 gallon fish tank search terms**
- **75 gallon aquarium stand**152K/yr-7.6%0.5% conv. - **75 gallon fish tank stand**45K/yr-5.2%0.5% conv. - **75 gallon tank stand**19K/yr+5.3%0.5% conv. - **125 gallon aquarium stand**19K/yr-19.3%0.6% conv. - **fish tank stand 75 gallon**10K/yr-3.3%0.6% conv. - **90 gallon aquarium stand**12K/yr-15.0%0.3% conv. - **aquarium stand 75 gallon**19K/yr-55.8%0.4% conv. - **60 gallon tank stand**8K/yr+10.8%0.6% conv. - **125 gallon fish tank stand**8K/yr-12.7%0.4% conv. - **75 gallon stand**4K/yr+3.8%0.4% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/100-gallon-fish-tank/search-terms)
## **Top 100 gallon fish tank 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%2%$5K4%$11K6%$16K8%$22K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 83 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Urban Deco 55-75 Gallon Fish Tank Stand 900LBS Capacity For Aquarium Stand Metal Fish Tank Stand 48.4x19.7x31.5 Dual-Layer Design Terrarium Stand Ideal for Home and Office Black**Urban Deco**$106.43**4.1★275 rev](https://www.amazon.com/dp/B0CS313WDS) [2**VOWNER Farmhouse 55-75 Gallon Fish Tank Stand with Power Outlet Aquarium Stand with Storage Cabinet and Sliding Barn Door Heavy Duty Reptile Tank Stand for 2 Tanks 1000LBS Capacity Grey**VOWNER**$172.84**4.4★84 rev](https://www.amazon.com/dp/B0DK1N5PG6) [3**DALEMHOME 55-75 Gallon Fish Tank Stand 49.2 x 19.7x 31.5 Inch Industrial Aquarium Stand with Power Outlet and Switch Turtle Tank Reptile Terrariums and Breeder Tank Stand Black**DALEMHOME**$97.66**3.6★42 rev](https://www.amazon.com/dp/B0FQP13L2H) [4**GRLEAF 55-75 Gallon Aquarium Stand: 1000LB Capacity Built-In Power Outlets 3-Tier Shelves for Fish Tank Accessories Storage Heavy-Duty Steel/Wood Hybrid for Fish & Reptile Tanks | Excludes Tank**GRLEAF**$141.06**4.1★165 rev](https://www.amazon.com/dp/B0DRFZ33GB) [5**VOWNER 75-120 Gallon Fish Tank Stand with Power Outlet Farmhouse Aquarium Stand with Storage Cabinet & Sliding Barn Doors Heavy Duty Reptile Tank Stand for 2 Tanks 1000LBS Capacity Black**VOWNER**$198.95**3.9★8 rev](https://www.amazon.com/dp/B0GTQ57LC6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YITAHOME 55-75 Gallon Aquarium Stand with Power Outlets & LED Light Display Stand for Turtle Tank Reptile Terrarium Heavy Duty Metal Fish Tank Stand Suitable for Living Room Entryway 860LBS Capacity**YITAHOME**$168.72**1 rev2mo ago](https://www.amazon.com/dp/B0H121FXNH) [**YITAHOME Heavy Duty 55-75 Gallon Aquarium Stand with Power Outlets Cabinet for Accessories Storage - Metal Fish Tank Stand Suitable for Fish Turtle Tank 880LBS Capacity Black**YITAHOME**$162.16**92 rev2mo ago](https://www.amazon.com/dp/B0H11Z51J6) [**DHH 55-75 Gallon Fish Tank Stand with Power Outlet Mid Century Modern Aquarium Stand with Adjustable Shelves and Sliding Door Heavy Duty Reptile Tank Stand for Turtle Terrarium 1000LB (Walnut)**DHH**$212.10**4 rev2mo ago](https://www.amazon.com/dp/B0GYSFXL5S) [**RollPliio Fish Tank Stand 75 Gallon Tank Stand with Sliding Cabinet Door Heavy Duty Aquarium Stand with Power Outlet for Turtle Tank Reptile Terrarium 1000LBS Capacity (Black)**RollPliio**$220.34**5 rev2mo ago](https://www.amazon.com/dp/B0GYJT5Y84) [**Garvee 55-75 Gallon Aquarium Stand Heavy Duty Fish Tank Stand with Drawers & Shelves LED Light 1000lbs Capacity Fish & Reptile Tanks Stand with Power Outlet & USB**Garvee**$112.96**6 rev3mo ago](https://www.amazon.com/dp/B0GWQPQ9KJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**RollPliio Fish Tank Stand 75 Gallon Tank Stand with Sliding Cabinet Door Heavy Duty Aquarium Stand with Power Outlet for Turtle Tank Reptile Terrarium 1000LBS Capacity (Black)**RollPliio**$220.34**3.8★**▲ 222%**](https://www.amazon.com/dp/B0GYJT5Y84) [**DHH 55-75 Gallon Fish Tank Stand with Power Outlet Mid Century Modern Aquarium Stand with Adjustable Shelves and Sliding Door Heavy Duty Reptile Tank Stand for Turtle Terrarium 1000LB (Walnut)**DHH**$212.10**4.2★**▲ 219%**](https://www.amazon.com/dp/B0GYSFXL5S) [**DALEMHOME 55-75 Gallon Fish Tank Stand 49.2 x 19.7x 31.5 Inch Industrial Aquarium Stand with Power Outlet and Switch Turtle Tank Reptile Terrariums and Breeder Tank Stand White**DALEMHOME**$107.95**4.3★**▲ 218%**](https://www.amazon.com/dp/B0GKG8XFP9) [**DALEMHOME 55-75 Gallon Fish Tank Stand 49.2 x 19.7x 31.5 Inch Industrial Aquarium Stand with Power Outlet and Switch Turtle Tank Reptile Terrariums and Breeder Tank Stand Black**DALEMHOME**$98.49**4.3★**▲ 218%**](https://www.amazon.com/dp/B0GTQ8YG4D) [**YITAHOME Heavy Duty 55-75 Gallon Aquarium Stand with Power Outlets Cabinet for Accessories Storage - Metal Fish Tank Stand Suitable for Fish Turtle Tank 880LBS Capacity Black**YITAHOME**$162.16**4.5★**▲ 217%**](https://www.amazon.com/dp/B0H11Z51J6)
**~~View all trending →~~**
## **What buyers say about 100 gallon fish tank**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Strength**34%
*“Pretty sturdy”*
**Quality-Overall**11%
*“Beautiful quality”*
**Value For Money**7%
*“Great value”*
**Size-Overall**6%
*“Fits perfect”*
**Assembly/Installation**6%
*“easy setup”*
**Advertised Vs Actual Product**4%
*“Works as advertised, thank you”*
**Design-Overall**4%
*“Very well built”*
**Durability**3%
*“the material is durable”*
**Instructions/User Manual/Troubleshooting**3%
*“The instructions were clear”*
**Material Quality**2%
*“the material is durable”*
### **What buyers complain about **
**Assembly/Installation**16%
*“a little hard to assemble”*
**Strength**11%
*“Very flimsy”*
**Quality-Overall**8%
*“was of a cheaper quality than I initially expected”*
**Instructions/User Manual/Troubleshooting**8%
*“Horrible instructions”*
**Size-Overall**5%
*“Not fit”*
**Durability**4%
*“I cannot imagine this lasting a long time”*
**Advertised Vs Actual Product**3%
*“not matching the image at all”*
**Defective Material/Parts**3%
*“one component was also damaged”*
**Material Quality**2%
*“Bad quality of materials”*
**Functionality-Overall**2%
*“Not working”*
### **Top return reasons **
**Size-Overall**31%
**Defective Material/Parts**23%
**Advertised Vs Actual Product**10%
**Assembly/Installation**6%
**Value For Money**6%
**Strength**4%
**Color**3%
**Weight Heavy**2%
**Compatibility-Overall**2%
**Quality-Overall**2%
## **Common questions**
- **Is 100 gallon fish tank profitable to sell on Amazon United States?**
- The niche generates $270K/yr across 83 tracked products. 21 of 51 products launched in the last 360 days are still selling. 90-day search growth is -9.9%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the 100 gallon fish tank niche?**
- 45 brands and 50 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 46% of demand.
- **What do buyers complain about in 100 gallon fish tank?**
- Top complaints mined from reviews: Assembly/Installation, Strength, Quality-Overall. The return rate is 1.1%.
- **When does demand for 100 gallon fish tank peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the 100 gallon fish tank niche?**
- Listings span $87.18–$352.44; the average listing price is $167.35 (sweet spot $15–$100). The average incumbent carries 91 reviews — the moat a new listing must climb.
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