Dive into Fun with Under The Sea Party Supplies & Decorations

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Free Shipping for Orders over $69.95! Same Business Day Dispatch Before 11am! (QLD EST)
Please note, our warehouse will be closed from 12pm Thursday the 2nd of April until 9.30 Tuesday the 7th of April due to the Easter Holiday. We wish you all a safe and happy Easter!

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BALLOONS

All Latex Balloons

All Foil Balloons

MOSAIC STANDS

100cm Jumbo Balloon Mosaic Number Frame - Number 3
Transparent BABY Balloon Cube Boxes - Metallic Rose Gold

BALLOON BOX CUBES

  • LATEX BALLOONS

  • All Latex Balloons

  • FOIL BALLOONS
  • BALLOON ACCESSORIES

  • All Foil Balloons

  • OCCASION BALLOONS
  • BALLOON SIZES

  • MOSAIC STANDS

  • 100cm Jumbo Balloon Mosaic Number Frame - Number 3
  • Transparent BABY Balloon Cube Boxes - Metallic Rose Gold

    BALLOON BOX CUBES

  • PARTY THEMES
  • KIDS PARTY THEMES
  • BABY PARTY
  • PARTY THEMES
  • SPECIAL OCCASIONS
  • SEASONAL OCCASIONS
  • COLOUR
  • BIRTHDAYS

    FOCUS ON...

    Ginger Ray Eco Friendly Gamer 3D Paper Party Bags - Black with Green Inside

    KIDS BIRTHDAYS

    adults birthday party balloon background decorations

    ADULTS BIRTHDAYS

  • MILESTONE BIRTHDAYS
  • BIRTHDAY DECORATIONS
  • PET BIRTHDAYS

  • FOCUS ON...

  • Ginger Ray Eco Friendly Gamer 3D Paper Party Bags - Black with Green Inside

    KIDS BIRTHDAYS

  • adults birthday party balloon background decorations

    ADULTS BIRTHDAYS

  • HEN PARTY

    NAUGHTY HEN PARTY

    CLASSY HEN PARTY

    EXPLORE HEN PARTY...

    Ginger Ray Bride To Be Hen Party Sunglasses

    Hen Party Dress Up

    ginger ray balloons hen party wedding birthday

    Hen Party Decor

  • NAUGHTY HEN PARTY

  • DECORATIONS
  • NAUGHTY ACCESSORIES

  • CLASSY HEN PARTY

  • DECORATIONS
  • DRESS UP
  • ACCESSORIES

  • EXPLORE HEN PARTY...

  • Ginger Ray Bride To Be Hen Party Sunglasses

    Hen Party Dress Up

  • ginger ray balloons hen party wedding birthday

    Hen Party Decor

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  • Online Party Supplies Australia / Products / Under The Sea

    Under The Sea Party

    Dive into fun with our Under The Sea party decorations

    Immerse yourself in an extraordinary aquatic adventure with our Under The Sea party supplies. Featuring vibrant sea creature balloons, sparkling decorations, and ocean-inspired tableware, transform your venue into a mesmerizing underwater paradise. Dive into fun and make waves with this unforgettable theme.

    Little Mermaid Shell Shaped Plates 8pk
    Little Mermaid Shell Shaped Plates 8pk
    Sale
    $3.99$5.99
    Little Mermaid Shell Shaped Plates 8pk
    Happy Birthday Mermaid Foil Paper Plates 8pk
    Happy Birthday Mermaid Foil Paper Plates 8pk
    Sale
    $4.99$5.99
    Happy Birthday Mermaid Shell Shaped Plates 8pk
    Mermaid Invitation Cards with Envelops 8pk
    Mermaid Invitation Cards with Envelops 8pk
    $4.99
    Mermaid Invitation Cards with Envelops 8pk
    10 items left
    Happy Birthday Mermaid Gift Bags 8pk
    Happy Birthday Mermaid Gift Bags 8pk
    $7.99$0.00
    Happy Birthday Mermaid Gift Bags 8pk
    6 items left
    Little Mermaid Cupcake Toppers 8pk
    Little Mermaid Cupcake Toppers 8pk
    Sale
    $3.99$5.99
    Little Mermaid Cupcake Toppers 8pk
    Little Mermaid Glitter Cake Topper
    Little Mermaid Glitter Cake Topper
    $5.99
    Little Mermaid Glitter Paper Cake Topper
    Pastel Rainbow Mermaid Tassle Bunting 200cm
    Pastel Rainbow Mermaid Tassle Bunting 200cm
    Sale
    $7.99$8.99
    Pastel Rainbow Mermaid Tassle Bunting
    7 items left
    Mermaid Foil Paper Cups 8pk
    Mermaid Foil Paper Cups 8pk
    $4.99
    Mermaid Foil Paper Cups 8pk
    1 item left
    Sea Animal Stickers for Kids 50 Pack
    Sale
    $1.99$3.99
    Sea Animal Stickers for Kids 50pk
    Mermaid Paper Lunch Napkins 20 Pack
    Mermaid Paper Lunch Napkins 20 Pack
    $5.99
    Little Mermaid Paper Lunch Napkins 20pk
    10 items left
    Large Sea Lion / Seal Shaped Foil Balloon - Under The Sea and Ocean Animal Themed Birthday Party Decorations
    $6.99
    Cute Sea Lion Foil Balloon
    Cute Hippopotamus Shaped Foil Balloon
    Cute Hippopotamus Shaped Foil Balloon
    $5.99
    Cute Hippopotamus Foil Balloon
    6 items left
    Cute Penguine Shaped Foil Balloon
    Cute Penguine Shaped Foil Balloon
    $5.99
    Cute Penguine Foil Balloon
    Cute Green Crocodile Shaped Foil Balloon
    Cute Green Crocodile Shaped Foil Balloon
    $5.99
    Cute Green Crocodile Foil Balloon
    Jumbo Sea Life Ocean Animal Shaped Foil Balloon
    Jumbo Sea Life Ocean Animal Shaped Foil Balloon
    Sale
    $5.99$8.99
    Jumbo Sea Life Animal Foil Balloon
    Color
    Angel Fish
    Crab
    Dolphin
    Octopus
    Seahorse
    Shark
    Starfish
    Whale
    Handmade Mummy and Baby Dolphin Pop Up Greeting Card - Online Party Supplies
    Handmade Mummy and Baby Dolphin Pop Up Greeting Card - Online Party Supplies
    Sale
    $15.99$18.99
    Handmade Mum and Baby Dolphin Pop Up Greeting Card
    9 items left
    Handmade Giant Kraken Attacking Ship 3D Pop Up Card - Online Party Supplies
    Handmade Giant Kraken Attacking Ship 3D Pop Up Card - Online Party Supplies
    $17.99
    Giant Kraken Attacking Ship 3D Pop Up Card
    Blue Lolly Boxes 5pk
    $5.99
    Blue Gable Lolly Boxes 5pk
    1 item left
    Ocean Themed Curly Fabric Table Skirt
    Ocean Themed Curly Fabric Table Skirt
    Sale
    $49.99$59.99
    Ocean Themed Curly Willow Fabric Table Skirt
    1 item left
    Magical Unicorn Themed Curly Tulle Fabric Table Skirt
    Magical Unicorn Themed Curly Tulle Fabric Table Skirt
    Sale
    $49.99$59.99
    Magical Unicorn Curly Tulle Fabric Table Skirt
    10 items left
    Mermaid Themed Curly willow Fabric Table Skirt
    Mermaid Themed Curly willow Fabric Table Skirt
    Sale
    $49.99$59.99
    Mermaid Curly Willow Fabric Table Skirt
    5 items left
    18-inch Dark Blue Latex Balloon
    $3.99
    18-inch Dark Blue Latex Balloon
    5 items left
    Plastic Rectangular Tablecover - Royal Blue
    $4.99
    Plastic Rectangular Tablecover - Royal Blue
    9 items left
    Plastic Rectangular Tablecover - Caribbean Blue
    $4.99
    Plastic Rectangular Tablecover - Caribbean Blue
    Mini Cupcake Baking Cups 100pk - Caribbean Blue
    Mini Cupcake Baking Cups 100pk - Caribbean Blue
    $3.99
    Mini Cupcake Baking Cups 100pk - Caribbean Blue
    5 items left
    Mini Cupcake Baking Cups 100pk - Bright Royal Blue
    $3.99
    Mini Cupcake Baking Cups 100pk - Bright Royal Blue
    7 items left
    Bright Royal Blue Paper Plates 17cm 20pk
    $7.99
    Bright Royal Blue Paper Plates 17cm 20pk
    9 items left
    Bright Royal Blue Lunch Paper Plates 23cm 20pk
    $9.99
    Bright Royal Blue Lunch Paper Plates 23cm 20pk
    5 items left
    Robin's Egg Blue Lunch Napkins 2 Ply 40pk
    $5.99
    Robin's Egg Blue Lunch Napkins 2 Ply 40pk
    5 items left
    Caribbean Blue Lunch Napkins 2 Ply 40pk
    $5.99
    Caribbean Blue Lunch Napkins 2 Ply 40pk
    Cupcake 3 Tier Treat Stand - Caribbean Blue
    Sale
    $10.99$13.99
    Cupcake 3 Tier Treat Stand - Caribbean Blue
    6 items left
    Blue Paper Gift Bags 4pk
    Blue Paper Gift Bags 4pk
    $4.99
    Blue Paper Gift Bags 4pk
    18-inch Teal Latex Balloon
    $3.99
    18-inch Teal Latex Balloon
    18-inch Blue Latex Balloon
    18-inch Blue Latex Balloon
    Sale
    $3.99$5.99
    18-inch Blue Latex Balloon
    Royal Blue Foil Fringe Table Skirt
    Royal Blue Foil Fringe Table Skirt
    $11.99
    Royal Blue Foil Fringe Table Skirt
    Pastel Tiffany Blue Crepe Paper Streamer Roll 25m
    Pastel Tiffany Blue Crepe Paper Streamer Roll 25m
    $2.99
    Pastel Tiffany Blue Crepe Paper Streamer Roll 25m
    Metallic Blue Foil Fringe Table Skirt
    Metallic Blue Foil Fringe Table Skirt
    Sale
    $8.99$10.99
    Metallic Blue Foil Fringe Table Skirt
    8 items left
    Rainbow Mermaid 2 Layer Paper Cake Stand
    Rainbow Mermaid 2 Layer Paper Cake Stand
    $7.99
    Rainbow Mermaid 2 Layer Paper Cake Stand
    4 items left
    Iridescent Paper Straws 20 Pack
    Iridescent Paper Straws 20 Pack
    Sale
    $6.99$13.99
    Iridescent Paper Straws 20pk
    Pastel Purple Mermaid Paper Straws 8pk
    Pastel Purple Mermaid Paper Straws 8pk
    Sale
    $2.99$5.99
    Pastel Purple Mermaid Paper Straws 8pk
    Rainbow Mermaid Cupcake Picks 5 Pack
    Rainbow Mermaid Cupcake Picks 5 Pack
    $5.99
    Rainbow Mermaid Cupcake Picks 5pk
    8 items left
    16" Blue A-Z Alphabet Letter & 0-9 Number Foil Balloon
    16" Blue A-Z Alphabet Letter & 0-9 Number Foil Balloon
    Sale
    $1.99$2.99
    16-inch Blue 0-9 Number Foil Balloon
    Color
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    Metallic Plastic Rectangular Blue & White Stripe Table Cover
    Sold out
    $8.99$13.99
    Metallic Plastic Rectangular Blue & White Stripe Table Cover
    Plastic Rectangular Gold Confetti Dot Blue Table Cover
    Plastic Rectangular Gold Confetti Dot Blue Table Cover
    Sale
    $11.99$13.99
    Soft Plastic Rectangular Gold Confetti Dot Blue Table Cover
    2 items left
    Plastic Rectangular Blue Confetti Dot White Tablecover
    Plastic Rectangular Blue Confetti Dot White Tablecover
    Sale
    $8.99$13.99
    Soft Plastic Blue Confetti Dot White Table Cover
    30cm x 275cm Lake Blue Sequin Table Runner
    30cm x 275cm Lake Blue Sequin Table Runner
    Sale
    $17.99$19.99
    Lake Blue Sequin Table Runner
    9 items left
    Small Metallic Light Blue Foil Balloon Weight balloon accessory
    $4.99
    Small Foil Balloon Weight - Metallic Light Blue
    Square Tinsel Foil Fringe Curtain - Pastel Blue
    Square Tinsel Foil Fringe Curtain - Pastel Blue
    Sale
    $4.99$10.99
    Square Tinsel Foil Fringe Curtain - Pastel Blue
    6 items left
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    Shop our Under The Sea Party Decorations in Australia Today

    Under The Sea Party decorations dive deep into oceanic adventures, featuring marine life and mermaid motifs for a magical celebration. Enjoying our under the sea party decorations? Customers also searched for under the sea party decorations, valentine's day balloons, valentine's day cake toppers, valentine's day decorations, wall signs, washi tape stickers and wave party curtains.