starfish balloons
Worth a lookShows a thin review moat (141 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Great141.15avg incumbent reviews — the moat a new listing must climb
Brand share
Great52%top-5 brand share — no brand owns this niche
Growth
Great+68.5%90-day search growth — must beat 0% to launch
Competition
Great40%top-5 click share — an open shelf
Price range
Good$5.17–$36.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.5%search→purchase rate — share of searches ending in a sale
Avg price
Good$13.31avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Okay4.8%return rate — above 5% kills the launch gate
Market size
Okay$102K$102K/yr · 139K searches
According to Flapen's Amazon United States niche tracking, starfish balloons is a $102K/yr Amazon United States market (139K searches/yr). The top 5 brands hold 52% of demand. Verdict: Worth a look — 61/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
starfish balloons market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $67K–$80K
- units × avg price
- Conversion rate
- 5.5%
- Avg BSR
- #2,354
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 95%
- Out of stock
- 7.3%
- Avg brand age
- 23 months
- Avg seller age
- 195 days
Competition & brand share
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.Brands
29 rising
Sellers
33
Top-5 brand share
52%
Top 20: 93%
Top-5 click share
40%
Top 20: 79%
Open market
42%
- Gejoy18%
- OSAMUHA10%
- GIHOO10%
- kozee9%
- Jet Creations6%
- Eopelsm5%
Demand
Weekly Amazon search volume, last 14 weeks — +68.5% search growth over the last 90 days.Top starfish balloons search terms
- seashell balloons38K/yr
- starfish balloons34K/yr
- shell balloons21K/yr
- sea shell balloons14K/yr
- starfish balloon10K/yr
- seashell balloon7K/yr
- coastal balloons5K/yr
- star fish balloons6K/yr
- shell balloon5K/yr
Top starfish balloons 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gejoy 6 Pcs Under The Sea Party Decorations Starfish & Seashell Foil Balloons Mermaid Birthday Decorations Ocean Theme Decor Beach Party Supplies Baby Shower Celebration
Gejoy$15.534.9★23 rev
Starfish Balloons 4pcs 26inch Large Inflatable Star Fish Foil Balloon for Ocean Under the Sea Mermaid Themed Birthday Beach Party Decoration
GIHOO$16.344.7★122 rev
OSAMUHA Sea Shells Balloons Multi-color Sea Shells Foil Mylar Balloon for Birthday Ocean Themed Party Decoration Supplies (Iridescent)
OSAMUHA$10.144.4★194 rev
Under the Sea Party Decorations 140pcs Blue and sand white Balloons with Starfish Foil Balloons for Summer Ocean Beach Baby Shower Birthday Party Supplies
Eopelsm$18.164.5★62 rev
Jet Creations Inflatable Aquatic Animal Starfish Pack of 4 20 inches Height Toys for Kids 3 Year and up Decoration with Hanger (1) per Starfish 1 Pack
Jet Creations$22.104.7★1,273 rev
Newest
by launch date
4 Pcs Seashell Starfish Balloons Set Large Creamy White Seashell Starfish Foil Balloon for Under the Sea Ocean Themed Coastal Bridal Baby Shower Beach Wedding Party Decorations Supplies
Siznkore$11.752 rev
6 Pcs Foil Starfish & Seashell Balloons Kit Under the Sea Party Decorations Mermaid Theme Birthday Beach Coastal Backdrop Sea You Soon Baby Shower Supplies Marine Wedding Garland Accents
kozee$15.499 rev
5 Pcs 18 Foil Seashell Balloons Kit Under the Sea Party Decorations Mermaid Theme Birthday Beach Coastal Backdrop Marine Wedding Celebration Supplies Last Toast on the Coast Bachelorette Decor
kozee$12.479 rev
Gejoy 12 Pcs Under The Sea Party Decorations Starfish & Seashell Foil Balloons Mermaid Birthday Decorations Ocean Theme Decor Beach Party Supplies Baby Shower Celebration
Gejoy$19.7523 rev
6Pcs Starfish Balloons Party Decor - Seashell Balloons for Under The Sea Party Decorations - Under The Sea Balloon for Mermaid Birthday Decorations Baby Shower Beach Party Decor Supplies
Atebirs$9.992 rev
Trending
90-day click momentumGejoy 12 Pcs Under The Sea Party Decorations Starfish & Seashell Foil Balloons Mermaid Birthday Decorations Ocean Theme Decor Beach Party Supplies Baby Shower Celebration
Gejoy$19.754.9★
5 Pcs 18 Foil Seashell Balloons Kit Under the Sea Party Decorations Mermaid Theme Birthday Beach Coastal Backdrop Marine Wedding Celebration Supplies Last Toast on the Coast Bachelorette Decor
kozee$12.474.8★
6 Pcs Starfish & Seashell Foil Balloons Ocean Theme Party Decorations Marine Sea Life Balloon Kit for Mermaid Birthday Beach Coastal Baby Shower Underwater Wedding Garland Decor
kozee$14.050.0★
6Pcs Starfish Balloons Party Decor - Seashell Balloons for Under The Sea Party Decorations - Under The Sea Balloon for Mermaid Birthday Decorations Baby Shower Beach Party Decor Supplies
Atebirs$9.995.0★
6 Pcs Foil Starfish & Seashell Balloons Kit Under the Sea Party Decorations Mermaid Theme Birthday Beach Coastal Backdrop Sea You Soon Baby Shower Supplies Marine Wedding Garland Accents
kozee$15.493.6★
What buyers say about starfish balloons
What buyers praise and complain about, mined from review topics.What buyers love
“Nice quality balloons”
“exactly what I wanted”
“These are a good size for the price”
“added such an elegant”
“The colors look accurate to what is in the photos”
“Very cute and durable”
“High quality material”
“Such a fun”
“Easy to set up”
“The pieces inflate easily”
What buyers complain about
“Very difficult to inflate”
“def not as advertised”
“Slightly larger than I imagined”
“the shape isnt really noticeable when placed on top of other balloons”
“Very cheap”
“Pricey”
“I wouldnt count on them holding up for an extended time”
“Difficult to fill”
“I would say the hardest part is just sticking it on the wall which could be difficult considering the varying shape of the dolphin”
“The ends are tied together”
Top return reasons
Common questions
- Is starfish balloons profitable to sell on Amazon United States?
- The niche generates $102K/yr across 41 tracked products. 3 of 26 products launched in the last 360 days are still selling. 90-day search growth is +68.5%. Flapen's verdict: Worth a look (61/100).
- How competitive is the starfish balloons niche?
- 29 brands and 33 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in starfish balloons?
- Top complaints mined from reviews: Inflation/Deflation, Advertised Vs Actual Product, Size-Overall. The return rate is 4.8%.
- What does it cost to enter the starfish balloons niche?
- Listings span $5.17–$36.19; the average listing price is $13.31 (sweet spot $15–$100). The average incumbent carries 141 reviews — the moat a new listing must climb.