Is jellyfish decor profitable to sell on Amazon United States?

The niche generates $173K/yr across 36 tracked products. 5 of 9 products launched in the last 360 days are still selling. 90-day search growth is +33.5%. Flapen's verdict: Worth a look (57/100).

How competitive is the jellyfish decor niche?

33 brands and 60 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 45% of demand.

What do buyers complain about in jellyfish decor?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Adhesion/Stickiness. The return rate is 3.2%.

When does demand for jellyfish decor peak?

Demand peaks in Jan–Feb–Aug; the busiest month runs 2.5× the quietest.

What does it cost to enter the jellyfish decor niche?

Listings span $5.85–$67.86; the average listing price is $17.38 (sweet spot $15–$100). The average incumbent carries 645 reviews — the moat a new listing must climb.

jellyfish decor

Worth a look

Shows no brand lock-in (top 5 brands take 45% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Brand share

Great45%

top-5 brand share — no brand owns this niche

Price range

Great$5.85–$67.86

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$17.38

avg listing price — sweet spot $15–$100

Review moat

Good644.94

avg incumbent reviews — the moat a new listing must climb

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Growth

Good+33.5%

90-day search growth — must beat 0% to launch

Returns

Okay3.2%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.9%

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

Market size

Okay$173K

$173K/yr · 341K searches

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, jellyfish decor is a $173K/yr Amazon United States market (341K searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Jan–Feb–Aug. Verdict: Worth a look — 57/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

jellyfish decor market data

Units sold / yr: 8K–10K; avg 100–250/product
Revenue / yr: $139K–$174K; units × avg price
Conversion rate: 2.9%
Avg BSR: #4,744
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 5.0%
Avg brand age: 24 months
Avg seller age: 175 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

33 flat

Sellers

Top-5 brand share

45%

Top 20: 87%

Top-5 click share

45%

Top 20: 84%

Open market

50%

MEIWUTIE15%
YXZXUM12%
OBXT8%
Novobuys6%
RPS-IND6%
Decor3655%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +33.5% search growth over the last 90 days.

Peak months: Jan, Feb, Aug · busiest ÷ quietest = 2.5×

Open Trend

Top jellyfish decor search terms

jellyfish decor108K/yr +37.3%1.5% conv.
jelly fish decoration56K/yr +47.0%2.3% conv.
jellyfish decorations31K/yr +51.8%2.5% conv.
hanging jellyfish30K/yr +39.7%1.5% conv.
hanging jellyfish decorations18K/yr +41.5%2.9% conv.
jellyfish toy25K/yr -16.6%0.5% conv.
jelly fish decor13K/yr +71.2%1.5% conv.
jellyfish hanging decor13K/yr +51.1%2.0% conv.
jellyfish gifts14K/yr -0.1%0.4% conv.
jellyfish room decor10K/yr +13.7%0.1% conv.

All search terms

Top jellyfish decor 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

MEIWUTIE Jellyfish Decor - 10 Pcs Light Up Jellyfish Lanterns Hanging Jelly Fish Decorations for Mermaid Birthday Decorations & Under The Sea Party Decorations Ocean Themed Supplies Gifts

MEIWUTIE$22.214.6★206 rev

Set of 6 Blue Hanging Jellyfish Paper Lanterns 10 - Under the Sea Party & Mermaid Birthday Decorations Baby Shower Nautical Events Ocean Theme Classroom & Beach Room Decor

YXZXUM$11.514.7★85 rev

OBXT 10 Blue Hanging Jellyfish Paper Lanterns - Under the Sea Party & Mermaid Birthday Decorations Baby Shower Nautical Events Ocean Theme Classroom & Beach Room Decor (Set of 6)

OBXT$18.634.8★829 rev

Jelly Fish Decoration - Blue Hanging Jellyfish Paper Lanterns Set of 6

Novobuys$16.544.9★21 rev

RPS-IND Jellyfish Hanging Decor Set of 5 for Under the Sea Party Decoration

RPS-IND$17.724.1★272 rev

Newest

by launch date

LED Jellyfish Decorations 5 Pcs Colorful Light up Hanging Jellyfish Lanterns for Mermaid Theme Party & Under The Sea Party Decorations for Women Party Birthday Gifts (5 Colors 5pcs)

JICASTO$16.8610 rev

6mo ago

Set of 6 Blue Hanging Jellyfish Paper Lanterns 10 - Under the Sea Party & Mermaid Birthday Decorations Baby Shower Nautical Events Ocean Theme Classroom & Beach Room Decor

YXZXUM$11.5185 rev

7mo ago

Soulchen 20 Pcs Hanging Jellyfish Paper Lanterns with Tassel Curtains Swirl Bubble Streamers Under The Sea Ocean Themed Mermaid Party Decorations for Birthday Baby Shower Beach Ceiling(Blue)

Soulchen$29.006 rev

7mo ago

5 Pcs Jellyfish Decor Jellyfish Lanterns Lamp Hanging Jelly Fish Decoration for Mermaid Theme Party Under The Sea Party Birthday Under Sea Mermaid Wedding Decor(Blue Purple Pink White Green)

Wizzosivoor$16.8612 rev

8mo ago

OBBOLO Under The sea Party Decorations 8 Pcs Pink Jellyfish Honeycomb Decorations for Mermaid Birthday Decorations Pink Purple Paper Hanging Jellyfish Decorations for Ocean Themed Birthday Party

OBBOLO$17.0041 rev

8mo ago

What buyers say about jellyfish decor

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

What buyers love

Color15%

“The colors are amazing”

Assembly/Installation14%

“easy to assemble”

Quality-Overall12%

“Good quality”

Design-Overall8%

“Gorgeous design”

Brightness/Shine/Glow6%

“The lights are super cute”

Value For Money6%

“is very affordable”

Advertised Vs Actual Product5%

“Better than expected”

Ease Of Use4%

“Easy to use”

Durability3%

“Durable and easy to set up”

Size-Overall3%

“Their size is just right”

What buyers complain about

Quality-Overall9%

“Cheap”

Size-Overall9%

“Product smaller than shown”

Adhesion/Stickiness7%

“stickers don't stay adhered to the jellyfish lanterns”

Durability7%

“Torn”

Battery Life7%

“Batteries kept falling out of them”

Strength6%

“not sturdy”

Instructions/User Manual/Troubleshooting6%

“No instructions”

Advertised Vs Actual Product4%

“it is definitely misleading”

Assembly/Installation4%

“Poor Assembly”

Smell3%

“It arrived with a horrific smell of mildew”

Top return reasons

Size-Overall24%

Advertised Vs Actual Product11%

Value For Money10%

Color8%

Quality-Overall8%

Defective Material/Parts7%

Functionality-Overall6%

Material Quality5%

Brightness/Shine/Glow3%

Adhesion/Stickiness3%

Common questions

Is jellyfish decor profitable to sell on Amazon United States?: The niche generates $173K/yr across 36 tracked products. 5 of 9 products launched in the last 360 days are still selling. 90-day search growth is +33.5%. Flapen's verdict: Worth a look (57/100).
How competitive is the jellyfish decor niche?: 33 brands and 60 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 45% of demand.
What do buyers complain about in jellyfish decor?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Adhesion/Stickiness. The return rate is 3.2%.
When does demand for jellyfish decor peak?: Demand peaks in Jan–Feb–Aug; the busiest month runs 2.5× the quietest.
What does it cost to enter the jellyfish decor niche?: Listings span $5.85–$67.86; the average listing price is $17.38 (sweet spot $15–$100). The average incumbent carries 645 reviews — the moat a new listing must climb.