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.

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.

Returns

Incredible0.5%

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

Great11.8%

search→purchase rate — share of searches ending in a sale

Review moat

Great306.83

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

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad94%

top-5 click share — a locked-up shelf

Brand share

Bad100%

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

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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

Maxsea85%
unLeAsH9%
Talent6%

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +53.1% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 2.9×

Open Trend

Top maxsea search terms

maxsea fertilizer14K/yr +57.0%10.1% conv.
maxsea8K/yr +38.2%8.9% conv.
maxsea 16-16-16 fertilizer7K/yr +63.5%14.4% conv.

All 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.

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

Maxsea All Purpose Plant Food 16-16-16 1.5 lb.

Maxsea$23.914.7★747 rev

Maxsea All Purpose 16-16-16 Plant Food 6 lb.

Maxsea$54.644.8★312 rev

Maxsea All Purpose (16-16-16) 1.5lb

unLeAsH$24.754.8★46 rev

Maxsea 722270 Bloom Plant Food 6 lb

Maxsea$54.584.7★248 rev

Maxsea Grow 16-16-16 1.5 Lbs. Water Soluble Seaweed Plant Food Fertilizer

Maxsea$23.924.7★352 rev

Newest

by launch date

Maxsea All Purpose (16-16-16) 1.5lb

unLeAsH$24.7546 rev

3y ago

Maxsea Bloom Plant Food 1.5 lb (3-20-20) (12/Cs)

Talent$25.33136 rev

8y ago

Maxsea 722270 Bloom Plant Food 6 lb

Maxsea$54.58248 rev

10y ago

Maxsea Grow 16-16-16 1.5 Lbs. Water Soluble Seaweed Plant Food Fertilizer

Maxsea$23.92352 rev

13y ago

Maxsea All Purpose 16-16-16 Plant Food 6 lb.

Maxsea$54.64312 rev

14y ago

What buyers say about maxsea

What buyers praise and complain about, mined from review topics.

What buyers love

Plant Growth52%

“Great for natural fertilizing without damaging plants”

Quality-Overall25%

“Fabulous product”

Smell7%

“No smell is the biggest plus for me”

Value For Money6%

“they are thriving worth this stuff”

Ease Of Use4%

“Easy to use”

Size-Overall2%

“the bottle sizes are generous”

What buyers complain about

Product Condition50%

“Came Opened and Used”

Top return reasons

Value For Money31%

Leak-Proof13%

Contamination13%

Product Condition9%

Functionality-Overall6%

Defective Material/Parts6%

Plant Growth6%

Advertised Vs Actual Product6%

Flammable6%

Measurement/Reading Accuracy3%

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.