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Dive into Fun with Under The Sea Party Supplies & Decorations

We're Moving our warehouse from the 23rd until the 28th of January. All orders placed after 2.30pm (EST) on Wednesday the 22nd until Friday 11.59pm will receive an Express Post upgrade during the packing process, so no need to select anything other than standard post in the delivery options. All orders will be dispatched on Tuesday the 28th of January. Thank you for your understanding, and we hope your event is amazing!

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We're Moving our warehouse from the 23rd until the 28th of January. All orders placed after 2.30pm (EST) on Wednesday the 22nd until Friday 11.59pm will receive an Express Post upgrade during the packing process, so no need to select anything other than standard post in the delivery options. All orders will be dispatched on Tuesday the 28th of January. Thank you for your understanding, and we hope your event is amazing!

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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

    BRIDAL SHOWER

    • NAUGHTY HEN PARTY

    • DECORATIONS
    • ACCESSORIES

    • CLASSY HEN PARTY

    • DECORATIONS
    • DRESS UP
    • ACCESSORIES

    • BRIDAL SHOWER

    • DECORATIONS
      • PARTY SUPPLIES
      • PARTY TABLEWARE
      • CAKE TOPPERS
      • ORIGAMI POP CARDS
      • PARTY FAVOURS & GIFTS
      • BAKING SUPPLIES
      • 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
        $ 5 99
        Little Mermaid Shell Shaped Plates 8pk
        Happy Birthday Mermaid Foil Paper Plates 8pk
        Happy Birthday Mermaid Foil Paper Plates 8pk
        $ 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
        Happy Birthday Mermaid Gift Bags 8pk
        Happy Birthday Mermaid Gift Bags 8pk
        $ 7 99
        Happy Birthday Mermaid Gift Bags 8pk
        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
        $ 8 99
        Pastel Rainbow Mermaid Tassle Bunting
        Mermaid Foil Paper Cups 8pk
        Mermaid Foil Paper Cups 8pk
        $ 4 99
        Mermaid Foil Paper Cups 8pk
        Sea Animal Stickers for Kids 50 Pack
        $ 2 99
        Sea Animal Stickers for Kids 50pk
        Shark Zone Beverage Napkins 16 Pack
        $ 3 99
        Shark Zone Beverage Napkins 16pk
        Mermaid Paper Lunch Napkins 20 Pack
        Mermaid Paper Lunch Napkins 20 Pack
        $ 5 99
        Little Mermaid Paper Lunch Napkins 20pk
        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
        $ 5 99
        Cute Hippopotamus Foil Balloon
        Cute Penguine Shaped Foil Balloon
        $ 5 99
        Cute Penguine Foil Balloon
        Cute Green Crocodile Shaped Foil Balloon
        $ 5 99
        Cute Green Crocodile Foil Balloon
        Jumbo Sea Life Animal Shaped Foil Balloon
        Jumbo Sea Life Animal Shaped Foil Balloon
        Sale
        $ 5 99 $8.99
        Jumbo Sea Life Animal Foil Balloon
        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 Mummy and Baby Dolphin Pop Up Greeting Card
        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
        Alligator Party Cardboard Treat Boxes 4pk
        $ 16 99
        Alligator Party Cardboard Treat Boxes 4pk
        Blue Lolly Boxes 5pk
        $ 5 99
        Blue Gable Lolly Boxes 5pk
        Ocean Themed Curly Fabric Table Skirt
        Ocean Themed Curly Fabric Table Skirt
        Sale
        $ 51 99 $59.99
        Ocean Themed Curly Willow Fabric Table Skirt
        Magical Unicorn Themed Curly Tulle Fabric Table Skirt
        Magical Unicorn Themed Curly Tulle Fabric Table Skirt
        Sale
        $ 51 99 $59.99
        Magical Unicorn Curly Tulle Fabric Table Skirt
        Mermaid Themed Curly willow Fabric Table Skirt
        Mermaid Themed Curly willow Fabric Table Skirt
        Sale
        $ 51 99 $59.99
        Mermaid Curly Willow Fabric Table Skirt
        18-inch Metallic Chrome Blue Latex Balloon
        $ 3 99
        18-inch Metallic Chrome Blue Latex Balloon
        18-inch Dark Blue Latex Balloon
        $ 3 99
        18-inch Dark Blue Latex Balloon
        Plastic Rectangular Tablecover - Royal Blue
        $ 4 99
        Plastic Rectangular Tablecover - Royal Blue
        Plastic Rectangular Tablecover - Caribbean Blue
        $ 4 99
        Plastic Rectangular Tablecover - Caribbean Blue
        Plastic Rectangular Tablecover - Robin's Egg Blue
        $ 4 99
        Plastic Rectangular Tablecover - Robin's Egg Blue
        Plastic Round Tablecover - Robin's Egg Blue
        $ 4 99
        Plastic Round Tablecover - Robin's Egg Blue
        Plastic Round Tablecover - Caribbean Blue
        $ 4 99
        Plastic Round Tablecover - Caribbean Blue
        Caribbean Blue Cupcake Cases baking cups 5cm 75pk
        $ 3 99
        Caribbean Blue Cupcake Cases 5cm 75pk
        Mini Cupcake Baking Cups 100pk - Caribbean Blue
        Mini Cupcake Baking Cups 100pk - Caribbean Blue
        $ 3 99
        Mini Cupcake Baking Cups 100pk - Caribbean Blue
        Mini Cupcake Baking Cups 100pk - Bright Royal Blue
        $ 3 99
        Mini Cupcake Baking Cups 100pk - Bright Royal Blue
        Bright Royal Blue Paper Plates 17cm 20pk
        $ 7 99
        Bright Royal Blue Paper Plates 17cm 20pk
        Bright Royal Blue Lunch Paper Plates 23cm 20pk
        $ 9 99
        Bright Royal Blue Lunch Paper Plates 23cm 20pk
        Robin's Egg Blue Chevron Beverage Napkins 16pk
        $ 3 99
        Robin's Egg Blue Chevron Beverage Napkins 16pk
        Teal Lagoon Beverage Napkins 2 Ply 50pk
        $ 8 99
        Teal Lagoon Beverage Napkins 2 Ply 50pk
        Cool Mint Beverage Napkins 2 Ply 50pk
        $ 3 99
        Cool Mint Beverage Napkins 2 Ply 50pk
        Pastel Blue Beverage Napkins 2 Ply 20pk
        $ 3 99
        Pastel Blue Beverage Napkins 2 Ply 20pk
        Robin's Egg Blue Lunch Napkins 2 Ply 40pk
        $ 5 99
        Robin's Egg Blue Lunch Napkins 2 Ply 40pk
        Caribbean Blue Lunch Napkins 2 Ply 40pk
        $ 5 99
        Caribbean Blue Lunch Napkins 2 Ply 40pk
        Cupcake 3 Tier Treat Stand - Caribbean Blue
        $ 13 99
        Cupcake 3 Tier Treat Stand - Caribbean Blue
        Blue Paper Gift Bags 4pk
        Blue Paper Gift Bags 4pk
        $ 3 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 Mint Green Crepe Paper Streamer Roll 25m
        Pastel Mint Green Crepe Paper Streamer Roll 25m
        $ 2 99
        Pastel Mint Green Crepe Paper Streamer Roll 25m
        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
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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.

        TRENDING PRODUCTS
        Valentine's Day Balloon Garland DIY Kit 125pk
        Valentine's Day Balloon Garland DIY Kit 125pk
        Sale
        $ 43 99 $55.99
        Valentine's Day Balloon Garland DIY Kit 125pk
        Happy Birthday All Age Crane Truck 3D Pop Card – Perfect Birthday Gift for Construction Enthusiasts.
        Happy Birthday All Age Crane Truck 3D Pop Card – Perfect Birthday Gift for Construction Enthusiasts.
        Sale
        $ 17 99 $21.99
        Customisable Happy Birthday All Age Crane Truck 3D Pop Card
        Handmade Australian Native Kookaburra Couple 3D Native Bird Pop Up Greeting Card
        Handmade Australian Native Kookaburra Couple 3D Native Bird Pop Up Greeting Card
        Sale
        $ 15 99 $18.99
        Kookaburra Couple 3D Native Bird Pop Up Card
        Brown Teddy Bear Holding Love Heart Valentine's Day Card
        Brown Teddy Bear Holding Love Heart Valentine's Day Card
        Sale
        $ 15 99 $21.99
        Brown Teddy Bear Holding Love Heart Valentine's Day Card
        Green & Red Christmas Balloon Garland DIY Kit 129pk
        Green & Red Christmas Balloon Garland DIY Kit 129pk
        $ 49 99
        Green & Red Christmas Balloon Garland DIY Kit 129pk
        Christmas Balloon Garland DIY Kit 137pk
        $ 51 99
        Christmas Balloon Garland DIY Kit 137pk
        How The Grinch Stole Christmas Round Foil Balloon 45cm
        How The Grinch Stole Christmas Round Foil Balloon 45cm
        $ 9 99
        How The Grinch Stole Christmas Round Foil Balloon 45cm
        Touch of Sparkle Merry Christmas Confetti Balloons 5pk
        Touch of Sparkle Merry Christmas Confetti Balloons 5pk
        $ 9 99
        Touch of Sparkle Merry Christmas Confetti Balloons 5pk
        Nordic Noel Merry Christmas Confetti Balloons with balloon Tails 5pk
        Nordic Noel Merry Christmas Confetti Balloons with balloon Tails 5pk
        $ 11 99
        Nordic Noel Merry Christmas Confetti Balloons with Tails 5pk
        12inch traditional touches Christmas Holly And Berries Confetti Party Balloons 5pk
        12inch traditional touches Christmas Holly And Berries Confetti Party Balloons 5pk
        $ 9 99
        Christmas Holly And Berries Confetti Party Balloons 5pk
        16-inch Rainbow Candy Merry Christmas Foil Balloon Banner
        16-inch Rainbow Candy Merry Christmas Foil Balloon Banner
        $ 13 99
        16-inch Rainbow Candy Merry Christmas Foil Balloon Banner
        Cherry Red Party Hats with Tassel Toppers 10pk
        $ 11 99
        Cherry Red Party Hats with Tassel Toppers 10pk
        Latex Balloon Garland DIY Kit 86pcs - Pastel Red christmas valentines day decorations
        Sale
        $ 35 99 $55.99
        Latex Balloon Garland DIY Kit 130pk - Pastel Red
        Large Christmas Decorative Lanterns 30cm 6pk
        Large Christmas Decorative Lanterns 30cm 6pk
        $ 25 99
        Large Christmas Decorative Lanterns 30cm 6pk
        Jumbo Waving Santa Carrying Gift Sack Standing Foil Balloon
        $ 9 99
        Jumbo Waving Santa Carrying Gift Sack Standing Foil Balloon
        Jumbo Red & Green Christmas Present Standing Foil Balloon
        $ 9 99
        Jumbo Red & Green Christmas Present Standing Foil Balloon
        Jumbo Blue Snowman Standing Foil Balloon
        $ 12 99
        Jumbo Blue Snowman Standing Foil Balloon
        Jumbo 3D Standing Green Christmas Tree Foil Balloon
        Jumbo 3D Standing Green Christmas Tree Foil Balloon
        Sale
        $ 11 99 $13.99
        Giant 3D Standing Green Christmas Tree Foil Balloon
        green Christmas Reindeer Gift Boxes 5pk
        green Christmas Reindeer Gift Boxes 5pk
        Sold out
        $ 14 99
        Sold Out
         Premium Green Christmas Reindeer Gift Boxes 5pk
        Gingerbread House Paper Napkins 16pk
        Gingerbread House Paper Napkins 16pk
        $ 11 99
        Gingerbread House Paper Napkins 16pk
        Rustic Red Berry Sprig Place Card Holders 6pk
        Rustic Red Berry Sprig Place Card Holders 6pk
        $ 23 99
        Rustic Red Berry Sprig Place Card Holders 6pk
        Santa Claus Hat Honeycomb Place Cards 4pk
        Santa Claus Hat Honeycomb Place Cards 4pk
        $ 6 99
        Santa Claus Hat Honeycomb Place Cards 4pk
        Snowy Village with Flying Santa on Sleigh & Reindeers Pop Card
        Sale
        $ 15 99 $21.99
        Snowy Village with Flying Santa on Sleigh & Reindeers Pop Card
        Decorative Green Christmas Tree Honeycomb 35cm
        Decorative Green Christmas Tree Honeycomb 35cm
        $ 25 99
        Decorative Green Christmas Tree Honeycomb 35cm