---
title: "Maxsea — $119K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/maxsea"
last_updated: "2026-08-11T13:02:55.840Z"
locale: en
meta:
description: "Niche score 50/100 · $119K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $119K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Maxsea — $119K/yr Amazon US Niche (2026) - Flapen"
---
# **maxsea**
**Worth a look**
Shows low returns (0.5%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 28Growth 71Conversion 94Competition 5Returns 98Price range 95Avg price 95Brand share 0Review moat 85Quality gap 18
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$34.52**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$23.91–$54.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****11.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****306.83**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+53.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$119K**
$119K/yr · 29K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****94%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, maxsea is a $119K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 50/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **maxsea market data**
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **$104K–$138K**
- units × avg price
- **Conversion rate**
- **11.8%**
- **Avg BSR**
- **#1,402**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **0%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**13**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- Maxsea85% - unLeAsH9% - Talent6%
## **Demand & seasonality**
Weekly Amazon search volume, last 97 weeks — +53.1% search growth over the last 90 days.
1K600Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 2.9×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/maxsea/trend)
## **Top maxsea search terms**
- **maxsea fertilizer**14K/yr+57.0%10.1% conv. - **maxsea**8K/yr+38.2%8.9% conv. - **maxsea 16-16-16 fertilizer**7K/yr+63.5%14.4% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/maxsea/search-terms)
## **Top maxsea 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%15%$18K30%$36K45%$54K60%$72K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Maxsea All Purpose Plant Food 16-16-16 1.5 lb.**Maxsea**$23.91**4.7★747 rev](https://www.amazon.com/dp/B004XVSWJI) [2**Maxsea All Purpose 16-16-16 Plant Food 6 lb.**Maxsea**$54.64**4.8★312 rev](https://www.amazon.com/dp/B01MDMRWB9) [3**Maxsea All Purpose (16-16-16) 1.5lb**unLeAsH**$24.75**4.8★46 rev](https://www.amazon.com/dp/B0BM73QBQ7) [4**Maxsea 722270 Bloom Plant Food 6 lb**Maxsea**$54.58**4.7★248 rev](https://www.amazon.com/dp/B01M64IPLS) [5**Maxsea Grow 16-16-16 1.5 Lbs. Water Soluble Seaweed Plant Food Fertilizer**Maxsea**$23.92**4.7★352 rev](https://www.amazon.com/dp/B008RNTZ9O)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Maxsea All Purpose (16-16-16) 1.5lb**unLeAsH**$24.75**46 rev3y ago](https://www.amazon.com/dp/B0BM73QBQ7) [**Maxsea Bloom Plant Food 1.5 lb (3-20-20) (12/Cs)**Talent**$25.33**136 rev8y ago](https://www.amazon.com/dp/B078Y5GPNZ) [**Maxsea 722270 Bloom Plant Food 6 lb**Maxsea**$54.58**248 rev10y ago](https://www.amazon.com/dp/B01M64IPLS) [**Maxsea Grow 16-16-16 1.5 Lbs. Water Soluble Seaweed Plant Food Fertilizer**Maxsea**$23.92**352 rev13y ago](https://www.amazon.com/dp/B008RNTZ9O) [**Maxsea All Purpose 16-16-16 Plant Food 6 lb.**Maxsea**$54.64**312 rev14y ago](https://www.amazon.com/dp/B01MDMRWB9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Maxsea 722270 Bloom Plant Food 6 lb**Maxsea**$54.58**4.7★**▲ 10%**](https://www.amazon.com/dp/B01M64IPLS) [**Maxsea All Purpose Plant Food 16-16-16 1.5 lb.**Maxsea**$23.91**4.7★**— 7%**](https://www.amazon.com/dp/B004XVSWJI) [**Maxsea Bloom Plant Food 1.5 lb (3-20-20) (12/Cs)**Talent**$25.33**4.6★**— 2%**](https://www.amazon.com/dp/B078Y5GPNZ) [**Maxsea All Purpose 16-16-16 Plant Food 6 lb.**Maxsea**$54.64**4.8★**— 2%**](https://www.amazon.com/dp/B01MDMRWB9) [**Maxsea All Purpose (16-16-16) 1.5lb**unLeAsH**$24.75**4.8★**▼ 13%**](https://www.amazon.com/dp/B0BM73QBQ7)
**~~View all trending →~~**
## **What buyers say about maxsea**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**52%
*“Great for natural fertilizing without damaging plants”*
**Quality-Overall**25%
*“Fabulous product”*
**Smell**7%
*“No smell is the biggest plus for me”*
**Value For Money**6%
*“they are thriving worth this stuff”*
**Ease Of Use**4%
*“Easy to use”*
**Size-Overall**2%
*“the bottle sizes are generous”*
### **What buyers complain about **
**Product Condition**50%
*“Came Opened and Used”*
### **Top return reasons **
**Value For Money**31%
**Leak-Proof**13%
**Contamination**13%
**Product Condition**9%
**Functionality-Overall**6%
**Defective Material/Parts**6%
**Plant Growth**6%
**Advertised Vs Actual Product**6%
**Flammable**6%
**Measurement/Reading Accuracy**3%
## **Common questions**
- **Is maxsea profitable to sell on Amazon United States?**
- The niche generates $119K/yr across 6 tracked products. 90-day search growth is +53.1%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the maxsea niche?**
- 3 brands and 13 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in maxsea?**
- Top complaints mined from reviews: Product Condition. The return rate is 0.5%.
- **When does demand for maxsea peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 2.9× the quietest.
- **What does it cost to enter the maxsea niche?**
- Listings span $23.91–$54.64; the average listing price is $34.52 (sweet spot $15–$100). The average incumbent carries 307 reviews — the moat a new listing must climb.
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