Mermaid Birthday Party Supplies

Let us lend a fin and help you create a magical under the sea celebration! Choose from a variety of whimsical and delightful designs that are sure to make her mermaid themed birthday one for the books. From fun décor and balloons to plates, banners and other small accessories, we have everything you need to throw a dreamy underwater celebration.
433 products

433 products

Meri Meri Mermaid Party Garland Banner S2021
Meri Meri
$33.99
Mermaid Jumbo Foil Balloon S4001
Anagram
$8.99
Mermaid Jumbo Foil Balloon S4080
Anagram
$9.99
Meri Meri Iridescent Octagonal Plate Large- 8 pack S9055
Meri Meri
$20.99
Pastel Balloon Arch Kit 10ft S0051 S0065
Talking Tables
$44.99
Purple Tissue Paper Fans
Devra Party
from $2.99
Mini Mermaid Tail Party Hat Clip S2149
Talking Tables
$6.99
Holographic Glitter Mermaid Jumbo Foil Balloon S4029
Anagram
$12.99
Pink Hair Mermaid Jumbo Foil Balloon S4029
Anagram
$11.99
Pop Cutie Gacha Mermaid Candy Kids Necklaces
POP CUTIE INC
$10.99
Yes Way, Ombre Small Plates (10 Count) S7155
Coterie Party Supplies
$10.99
Luxe Pool Ring Mermaid - Rose Gold S0131
Sunnylife
$44.99
Meri Meri Mermaid Jumbo Foil Balloon S0032
Meri Meri
$20.99
Happy Birthday Cocktail Napkin S5123
Cakewalk
$4.99
Holographic Glitter Mermaid Tail Jumbo Foil Balloon S4028
Anagram
$12.99
Pastel Happy Birthday Party Hats - 6 pack S7049
Party Deco
$9.99
Iridescent Fringe Curtain Backdrop S7073 S7074 S7075
Party Deco
$14.99
Meri Meri - Blue Balloon Backdrop Kit S2030
Meri Meri
$59.99
Mermaid Cake Topper With Age
Paper & Parties Boutique
$9.99
Mermaids Paper Doll DIY Craft Kit S3045
Paper Source Wholesale
$25.99
Meri Meri Mermaid Tail Dress Up Kit Play Costume S2142
Meri Meri
$99.99
Iridescent Foiled Let's Party Paper Napkins- 16pk S9077
Ginger Ray
$9.75
Mermaid Jumbo Foil Balloon S8069
Anagram
$8.99
Backdrop Party Fans: Chrome 4-pk S1127
My Mind’s Eye
$18.99
14" Mini Mermaid Balloon- Air Fill Only S4107
Qualatex
$2.50
Mermaid Air Fill Only Foil Balloon Decoration S5123
Anagram
$8.99
Mermaid Luggage Tag S3023
Floss and Rock
$6.49
Mermaid Coin Purse S3027
Floss and Rock
$13.49
Pop Cutie Ocean Bead Kids Necklaces
POP CUTIE INC
$18.99
Meri Meri Mermaid Party Cake Topper Set S4067
Meri Meri
$15.99
Meri Meri Mermaid Party Crowns - Set of 8 S0141
Meri Meri
$25.99
Light Pink Striped Birthday Party Hats - 6 pack S7077
Party Deco
$9.99
Meri Meri Mermaid Party Napkins - Large S5186
Meri Meri
$10.99
Meri Meri Mermaid Party Seahorse Napkins S5136
Meri Meri
$13.99
Meri Meri Gold Glitter Dipped Candles S8089
Meri Meri
$15.99
Meri Meri Mermaid Party Plates - Large S1018
Meri Meri
$13.99
Meri Meri Large Mint Pastel Octagonal Dinner Plates - 8 pack S4078
Meri meri
$14.99
Meri Meri Mermaid Party Cupcake Kit S8126
Meri Meri
$26.99
Pastel Color Happy Birthday Candles S8098
Talking Tables
$8.99
Pink Striped Treat Cups S9084
Talking Tables
$8.99
Meri Meri Large Gold Foil Striped Napkin S2188
Meri Meri
$12.25
Bright Pearl Tone Standard Balloons
Paper & Parties
$0.99
Meri Meri Iridescent Pinwheel Plates - Large S3045
Meri Meri
$11.99
Happy Birthday Rose Gold Table Confetti S1023
Ginger Ray
$6.99
Meri Meri Long Silver Metallic Candles S3124
Meri Meri
$14.99
Meri Meri Ombre Pink Birthday Candles S8049
Meri Meri
$15.99
Meri Meri - Dark Pink Glitter Dipped Candles S1032
Meri Meri
$15.99
Meri Meri Iridescent Pastel Confetti Balloon Kit S4204
Meri Meri
$33.00
Meri Meri Large Lilac Pastel Purple Scalloped Edge Napkins S2084
Meri Meri
$10.99
Light Blue and White Striped Eco Friendly Paper Straws S1080
Paper & Parties Boutique
$6.99
Meri Meri Iridescent Octagonal Plate Small S2067
Meri Meri
$10.99
Meri Meri Iridescent Pinwheel Cups S2071
Meri Meri
$8.99
Meri Meri Pastel Ombré Cups S1005
Meri Meri
$7.99
Meri Meri - Aqua Pinwheel Plates - Small S3008
Meri meri
$8.99
Meri Meri Pastel Birthday Candles- 16 pk S0111
Meri Meri
$20.99
Meri Meri Oil Slick Iridescent Short High Ball Cups S9009
Meri Meri
$9.49
Meri Meri Gold Glitter Letter Banner Kit S0157
Meri Meri
$29.99
Meri Meri - Aqua Pinwheel Cups S2013 S2014
Meri meri
$8.99
Lavender Tissue Paper Fans
Devra Party
from $2.99
Meri Meri Pink Bamboo Fiber Cake Stand- Medium S9057
Meri Meri
$64.99
Gold Pinstripe Paper Cups (10 Count) S9362
Coterie Party Supplies
$9.50
Meri Meri 2 Pack - Mermaid Coloring Poster Set S3001
Meri Meri
$22.50
Meri Meri Pastel Ombré Plates- Small S1005
Meri Meri
$11.99
Meri Meri Long Pink Metallic Candles - 16 pack S9039
Meri Meri
$18.00
Meri Meri Pink Swirly Birthday Candles S2090
Meri Meri
$17.99
Malibu - Blue Striped Small Paper Plates S1148
Harlow & Grey
$9.99
Meri Meri Gold and Silver Tassel Garland S1057
Meri Meri
$19.99
Meri Meri Lilac Purple Scallop Edge Napkins - Small S1047
Meri Meri
$9.99
Holographic Striped Eco Friendly Paper Straws S1084
Paper & Parties Boutique
$6.99
Meri Meri Pastel Ombré Plates- Large S1017
Meri Meri
$11.99
Blue and Gold Baby Shower Tassel Garland S7011
Ginger Ray
$14.99
Rainbow Eco Confetti S4101
The Flair Exchange
$8.25
Golden Eco Confetti S1083
The Flair Exchange
$8.25
Happy Birthday Gold Table Confetti S2196
Ginger Ray
$6.99
Meri Meri - Blue Dipped Tapered Ombre Candles S1078
Meri Meri
$15.99
Meri Meri Lilac Pastel Purple Tall Cups S2178
Meri Meri
$12.75
Frenchie Striped Silver Plates - Large - 8 Pack S1156
Jollity & Co. + Daydream Society
$9.99
Frenchie Striped Cerise Pink Napkins- Large 16pk S4197
Jollity & Co. + Daydream Society
$9.50
Light Blue 10 Ft Tissue Fan Garland Bunting
Devra Party
$10.99
Meri Meri Glitter Fabric Star Crown S0086
Meri Meri
$32.99