dolphin party decorations
Worth a lookShows demand growing +90.1% this quarter, but a small market ($35K/yr) keeps it on the watch list.
Growth
Great+90.1%90-day search growth — must beat 0% to launch
Brand share
Great56%top-5 brand share — no brand owns this niche
Review moat
Good668.37avg incumbent reviews — the moat a new listing must climb
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Avg price
Good$12.82avg listing price — sweet spot $15–$100
Price range
Good$5.82–$24.73cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.0%return rate — above 5% kills the launch gate
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$35K$35K/yr · 47K searches
According to Flapen's Amazon United States niche tracking, dolphin party decorations is a $35K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 55/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
dolphin party decorations market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $26K–$32K
- units × avg price
- Conversion rate
- 5.7%
- Avg BSR
- #2,745
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 11.0%
- Avg brand age
- 30 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.Brands
26 falling
Sellers
31
Top-5 brand share
56%
Top 20: 89%
Top-5 click share
44%
Top 20: 85%
Open market
37%
- Ywediim33%
- SAMOKA9%
- --7%
- HFWTWPY6%
- umoni4%
- Hallswl4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +90.1% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.9×
Top dolphin party decorations search terms
- dolphin birthday party decorations18K/yr
- dolphin party decorations16K/yr
- dolphin decorations7K/yr
- dolphin party4K/yr
- dolphin party supplies2K/yr
Top dolphin party decorations 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
Dolphin Party Supplies Includes Banners Plates Cupcake Toppers Napkins Cups Tablecloths for Ocean DolphinTheme Birthday Baby Shower Party Decorations Serves 20
Ywediim$24.734.9★29 rev
Dolphin Party Decorations Include Happy Birthday Banner Cake Toppers Dolphin Theme Garland Balloons Stickers Honeycomb Centerpieces for Ocean DolphinTheme Birthday Baby Shower Party Supplies
Ywediim$15.015.0★25 rev
SAMOKA Large Dolphin Balloons 2 PCS 46 Inch Ocean Animals Foil Mylar Balloons Sea Animal Balloons for Kids Birthday Themed Party Decorations
SAMOKA$6.914.6★608 rev
Dolphin Party Decorations Kit - Blue Ocean Theme Birthday Supplies with Balloons Banner Cupcake Toppers & Paper Fans for Kids and Adults
--$16.324.6★253 rev
Dolphin Balloons Foil 45IN
HFWTWPY$9.894.5★52 rev
Newest
by launch date
Dolphin Balloons Beach Balloons Dolphin Birthday Party Decorations Beach Theme Party Decorations Under the Sea Birthday Decor Ocean Themed Party Under the Sea Baby Shower Decorations Starfish Balloon
Faifête$9.540 rev
Dolphin Party Decorations Blue Ocean Theme Birthday Supplies with Balloons Banner Cupcake Toppers & Centerpieces Fans for Kids and Adults
Generic$9.950 rev
96 Pcs Dolphin Birthday Party Decorations Under the Sea Dolphin Plates Napkins Forks for 24 Guests Ocean Themed Tableware Set Party Supplies
EoBeCy$18.61113 rev
Dolphin Birthday Party Supplies Backdrop Blue Birthday Photography Background for Ocean Dolphin Theme Birthday Baby Shower Party Decorations
Ywediim$10.349 rev
Cherisnowy 72 Pcs Dolphin Party Favors for Kids Tattoos & Slap Bracelets
Cherisnowy$10.0015 rev
Trending
90-day click momentumDolphin Balloons Beach Balloons Dolphin Birthday Party Decorations Beach Theme Party Decorations Under the Sea Birthday Decor Ocean Themed Party Under the Sea Baby Shower Decorations Starfish Balloon
Faifête$9.540.0★
Trgowaul Ocean Theme Birthday Decorations for Girls Boys Blue Sea Animals Party Supplies Happy Birthday Banner Hanging Swirl Fringe Curtain Latex Balloon Under the Sea Party Decorations for Kids
Trgowaul$19.964.2★
timecity Large Fish Dolphin Foil Balloons 5pcs Ocean Animals Balloons Fish Foil Mylar Balloons Sea Animal Balloons for Kids Birthday Mermaid Themed Party Decorations
timecity$9.414.6★
Dolphin Party Decorations Blue Ocean Theme Birthday Supplies with Balloons Banner Cupcake Toppers & Centerpieces Fans for Kids and Adults
Generic$9.950.0★
CiciBear 15 Pack Dolphin Sequin Necklace Party Favors with Mardi Gras Beads for Sea World Themed Party Favors Home Decorations Festivals Wedding Birthday Celebrations 5 Colors
CiciBear$16.614.6★
What buyers say about dolphin party decorations
What buyers praise and complain about, mined from review topics.What buyers love
“Color is accurate”
“Product is great as expected no issues”
“Worked for what we needed”
“Price was reasonable”
“Awesome decoration set”
“Durable”
“Easy to set up”
“These are really good size”
“This set works great for adults or children”
“Very bright and shiny”
What buyers complain about
“It reeked off a chemical smell for a while”
“Thin material”
“Adhesive impossible to get off”
“Cheap”
“But falls apart easily”
“Just very fragile”
“couldnt use everything”
“Will Not Stay Inflated”
“These are bigger than expected”
“Not a strong material”
Top return reasons
Common questions
- Is dolphin party decorations profitable to sell on Amazon United States?
- The niche generates $35K/yr across 35 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +90.1%. Flapen's verdict: Worth a look (55/100).
- How competitive is the dolphin party decorations niche?
- 26 brands and 31 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 56% of demand.
- What do buyers complain about in dolphin party decorations?
- Top complaints mined from reviews: Smell, Thickness, Adhesion/Stickiness. The return rate is 3.0%.
- When does demand for dolphin party decorations peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.9× the quietest.
- What does it cost to enter the dolphin party decorations niche?
- Listings span $5.82–$24.73; the average listing price is $12.82 (sweet spot $15–$100). The average incumbent carries 668 reviews — the moat a new listing must climb.