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Under The Sea Party Supplies

Dive into our Under the Sea party supplies, the perfect party theme for kids that love the seaside! Make a splash with colourful under the sea party decorations, balloons, tableware, paper plates, cups, games and more, ideal for an ocean party, mermaid party or something else sea themed! From shimmering fish balloons to treasure hunt escapades, an underwater themed party will have the little ones giggling with glee as they embark on a journey beneath the waves! We’ve got everything you could possibly need for an underwater adventure at your Under The Sea themed party.
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Sky Backdrop Scene Setter Room Roll

Sky Backdrop Scene Setter Room Roll

£18.99
Sale! 26%
Mermaid Mini Pinata Decoration 19cm

Mermaid Mini Pinata Decoration 19cm

£4.99
£6.79
Assorted Sealife Mini Notebook

Assorted Sealife Mini Notebook

£0.20
Assorted Sealife Stationery Favour Set

Assorted Sealife Stationery Favour Set

£1.19
Sealife Sticker Sheet

Sealife Sticker Sheet

£0.15
Sealife Mini Playing Cards

Sealife Mini Playing Cards

£0.45
Assorted Mini Fishing Game

Assorted Mini Fishing Game

£0.39
Assorted Fishing Frenzy Game

Assorted Fishing Frenzy Game

£3.99
Mermaid Party Game

Mermaid Party Game

£1.25
Mini Mermaid Puzzle Book 15cm

Mini Mermaid Puzzle Book 15cm

£0.29
Sale! 50%
Elastic Shark Shooter Rocket Toy 23cm

Elastic Shark Shooter Rocket Toy 23cm

£1.49
£2.99
Ocean Themed A4 Colouring sheet

Ocean Themed A4 Colouring sheet

£0.08
Sale! 24%
Shark 3D Pull String Pinata 47cm

Shark 3D Pull String Pinata 47cm

£13.99
£18.49
Sale! 24%
Mermaid Shaped 3D Standard Pinata 52cm

Mermaid Shaped 3D Standard Pinata 52cm

£13.99
£18.49
Sale! 20%
Mermaid Shine Pull String Pinata

Mermaid Shine Pull String Pinata

£15.99
£19.99
Sale! 20%
Mermaid Happy Birthday Pull String Pinata

Mermaid Happy Birthday Pull String Pinata

£15.99
£19.99
Sale! 24%
Blank Drum DIY Pull String Pinata

Blank Drum DIY Pull String Pinata

£13.99
£18.49
Pinata Blindfold

Pinata Blindfold

£1.19
Pinata Stick Buster

Pinata Stick Buster

£3.29
Sale! 51%
Number 3 Standard 3D Pinata 54cm

Number 3 Standard 3D Pinata 54cm

£8.99
£18.49
Metallic Steel Blue Number 0 Birthday Candle 9cm

Metallic Steel Blue Number 0 Birthday Candle 9cm

£1.29
Blue Number 0 Non Hand Held Sparkler 17cm

Blue Number 0 Non Hand Held Sparkler 17cm

£1.19
Silver Number 0 Non Hand Held Sparkler 17cm

Silver Number 0 Non Hand Held Sparkler 17cm

£1.19
Under the Sea Party Box

Under the Sea Party Box

£0.49
Mermaid Gift Bags Pack of 20

Mermaid Gift Bags Pack of 20

£1.69
Mermaid Paper Bag With Handles 21cm

Mermaid Paper Bag With Handles 21cm

£0.42
Ocean Marble Large Gift Bag 33cm

Ocean Marble Large Gift Bag 33cm

£1.49
Baby Blue Paper Bag With Handles 21cm

Baby Blue Paper Bag With Handles 21cm

£0.42
White Paper Party Bag - Pack of 12

White Paper Party Bag - Pack of 12

£1.99
Blue Party Box

Blue Party Box

£0.49
Baby Blue Tissue Paper

Baby Blue Tissue Paper

£0.99
Sale! 33%
Blue Shark DIY Premium Balloon Kit

Blue Shark DIY Premium Balloon Kit

£19.99
£29.99
Inflatable Dolphin 53cm

Inflatable Dolphin 53cm

£1.99
Inflatable Whale 85cm

Inflatable Whale 85cm

£2.89
Inflatable Shark - 35 Inches / 89cm

Inflatable Shark – 35 Inches / 89cm

£3.79
Inflatable Penguin - 56cm

Inflatable Penguin - 56cm

£3.99
Inflatable Pink Fish Ring Pool Float

Inflatable Pink Fish Ring Pool Float

£4.79
Inflatable Splash Water Slide 16ft

Inflatable Splash Water Slide 16ft

£23.79
Inflatable Pink Seashells Armbands

Inflatable Pink Seashells Armbands

£3.19
Mermaid DIY Crown Kit - Pack of 6

Mermaid DIY Crown Kit - Pack of 6

£4.59
Boys Happy Birthday Crown

Boys Happy Birthday Crown

£0.79
Make Up Sponge

Make Up Sponge

£0.49
Snazaroo White Face Paint - 18ml

Snazaroo White Face Paint - 18ml

£4.45
Sale! 8%
Royal Blue Temporary Hair Spray 133ml

Royal Blue Temporary Hair Spray 133ml

£2.65
£2.89
Kingsway Fizzy Cola Bottles Vegan Sweet 4g

Kingsway Fizzy Cola Bottles Vegan Sweet 4g

£0.06
Kingsway Blue & White Penguins Gluten Free Sweet 4g

Kingsway Blue & White Penguins Gluten Free Sweet 4g

£0.06
Kingsway Beach Mix Gluten Free Sweet 5g

Kingsway Beach Mix Gluten Free Sweet 5g

£0.08
Kingsway Baby Dolphin Gluten Free Sweet 3g

Kingsway Baby Dolphin Gluten Free Sweet 3g

£0.05
Barnetts Mega Sour Plooms Gluten Free Vegetarian Sweet 8g

Barnetts Mega Sour Plooms Gluten Free Vegetarian Sweet 8g

£0.20
Barnetts Mega Sour Rhubarb & Custard Gluten Free Vegetarian Sweet 8g

Barnetts Mega Sour Rhubarb & Custard Gluten Free Vegetarian Sweet 8g

£0.20
Kingsway Fizzy Blue Raspberries Vegan Gluten Free Sweet 8.5g

Kingsway Fizzy Blue Raspberries Vegan Gluten Free Sweet 8.5g

£0.11
Haribo Goldbears Sweet 2.3g

Haribo Goldbears Sweet 2.3g

£0.08
Haribo Giant Strawb Vegetarian Sweet 11g

Haribo Giant Strawb Vegetarian Sweet 11g

£0.20
Sale! 48%
Haribo Starmix Treat Size Sweets Bag 16g

Haribo Starmix Treat Size Sweets Bag 16g

£0.15
£0.29
Haribo Supermix Treat Size Sweets Bag 16g

Haribo Supermix Treat Size Sweets Bag 16g

£0.23
Dots Pink Cupcake Cases - Pack of 72

Dots Pink Cupcake Cases - Pack of 72

£1.49
Mermaid Cupcake Cases - Pack of 75

Mermaid Cupcake Cases - Pack of 75

£2.69
Single Cupcake Box

Single Cupcake Box

£0.49
Four Cupcake Box

Four Cupcake Box

£1.69
Sale! 43%
Six Cupcake Box

Six Cupcake Box

£0.99
£1.75
Turquoise Fish Netting 122 x 240cm

Turquoise Fish Netting 122 x 240cm

£9.99
Natural Colour Fish Netting 122 x 240cm

Natural Colour Fish Netting 122 x 240cm

£9.99
Black Fish Netting 122 x 240cm

Black Fish Netting 122 x 240cm

£9.99
Blue Fish Netting 122 x 240cm

Blue Fish Netting 122 x 240cm

£9.99
Green Fish Netting 122 x 240cm

Green Fish Netting 122 x 240cm

£9.99
Red Fish Netting 122 x 240cm

Red Fish Netting 122 x 240cm

£9.99
Pink Fish Netting 122 x 240cm

Pink Fish Netting 122 x 240cm

£9.99
White Round Paper Plates 17cm - Pack of 20

White Round Paper Plates 17cm - Pack of 20

£2.49
Powder Blue Square Paper Plates 17cm - Pack of 16

Powder Blue Square Paper Plates 17cm - Pack of 16

£2.19
Royal Blue Square Paper Plates 22cm - Pack of 14

Royal Blue Square Paper Plates 22cm - Pack of 14

£2.79
Turquoise Blue Luncheon Napkins 30cm 1Ply - Pack of 100

Turquoise Blue Luncheon Napkins 30cm 1Ply - Pack of 100

£2.39
Powder Blue Round Paper Plates 22cm - Pack of 16

Powder Blue Round Paper Plates 22cm - Pack of 16

£2.79
Royal Blue Paper Cups 270ml - Pack of 14

Royal Blue Paper Cups 270ml - Pack of 14

£2.19
Powder Blue Plastic Reusable Assorted Cutlery Set - Pack of 18

Powder Blue Plastic Reusable Assorted Cutlery Set - Pack of 18

£1.89
Blue Rectangular Reusable Plastic Serving Tray – 9 x 13 Inches / 23 x 33cm – Pack of 3

Blue Rectangular Reusable Plastic Serving Tray – 9 x 13 Inches / 23 x 33cm – Pack of 3

£2.99
Silver Oval Paper Plates 30cm - Pack of 8

Silver Oval Paper Plates 30cm - Pack of 8

£3.29
Powder Blue Plastic Tablecover 274cm x 137cm

Powder Blue Plastic Tablecover 274cm x 137cm

£1.99
White Round Plastic Tablecover 213cm

White Round Plastic Tablecover 213cm

£1.99
Caribbean Teal Plastic Table Skirt 426cm x 74cm

Caribbean Teal Plastic Table Skirt 426cm x 74cm

£3.69
Silver Damask Paper Banquet Roll - 7m x 1.18m

Silver Damask Paper Banquet Roll - 7m x 1.18m

£9.99
Powder Blue Striped Eco-Friendly Paper Straws - Pack of 10

Powder Blue Striped Eco-Friendly Paper Straws - Pack of 10

£1.59
Powder Blue Honeycomb Ball Garland - 213cm

Powder Blue Honeycomb Ball Garland - 213cm

£3.19
Blue Plastic Pennant Bunting 10m

Blue Plastic Pennant Bunting 10m

£2.59
White Honeycomb Hanging Decoration Puff Ball 40cm

White Honeycomb Hanging Decoration Puff Ball 40cm

£2.19
Powder Blue Honeycomb Hanging Decoration Ball 20cm

Powder Blue Honeycomb Hanging Decoration Ball 20cm

£1.99
Blue Hanging Decorative Honeycomb Fan 40cm

Blue Hanging Decorative Honeycomb Fan 40cm

£1.99
Sale! 49%
Powder Blue Chandelier Honeycomb Hanging Decoration 35cm

Powder Blue Chandelier Honeycomb Hanging Decoration 35cm

£1.00
£1.99
Sale! 30%
Baby Blue Foil Door Curtain Backdrop 92cm x 244cm

Baby Blue Foil Door Curtain Backdrop 92cm x 244cm

£2.58
£3.69
White Crepe Streamer - 81 Ft / 24.6m

White Crepe Streamer - 81 Ft / 24.6m

£1.49
Sale! 50%
Pearl Baby Blue 10mm Round Foil Table Confetti 50g

Pearl Baby Blue 10mm Round Foil Table Confetti 50g

£1.89
£3.79
Silver 25mm Giant Round Foil Table Confetti 50g

Silver 25mm Giant Round Foil Table Confetti 50g

£3.79
Silver 12mm Heart Diamonds Premium Table Gems 28g

Silver 12mm Heart Diamonds Premium Table Gems 28g

£1.59
Baby Blue Round Foil Helium Balloon 46cm / 18 in
Requires Inflation

Baby Blue Round Foil Helium Balloon 46cm / 18 in

£1.49
White Heart Foil Helium Balloon 46cm / 18 in
Requires Inflation

White Heart Foil Helium Balloon 46cm / 18 in

£1.49
Blue Star Foil Helium Balloon 51cm / 20 in
Requires Inflation

Blue Star Foil Helium Balloon 51cm / 20 in

£1.49
Platinum Silver Satin Luxe Round Foil Helium Balloon 43cm / 17 in
Requires Inflation

Platinum Silver Satin Luxe Round Foil Helium Balloon 43cm / 17 in

£1.49
Out Of Stock
Pastel Blue Satin Luxe Heart Shape Foil Helium Balloon 43cm / 17 in
Requires Inflation

Pastel Blue Satin Luxe Heart Shape Foil Helium Balloon 43cm / 17 in

£1.49
Shimmering White Satin Luxe Star Shape Foil Helium Balloon 48cm / 19 in
Requires Inflation

Shimmering White Satin Luxe Star Shape Foil Helium Balloon 48cm / 19 in

£1.49
Blue Orbz Foil Helium Balloon 38cm / 15 in
Requires Inflation

Blue Orbz Foil Helium Balloon 38cm / 15 in

£4.99
Pastel Blue 4D Globe Foil Helium Balloon 29cm / 11 in
Requires Inflation

Pastel Blue 4D Globe Foil Helium Balloon 29cm / 11 in

£3.49
Fashion White Sand Jumbo Biodegradable Latex Balloons 61cm / 24 in - Pack of 3

Fashion White Sand Jumbo Biodegradable Latex Balloons 61cm / 24 in - Pack of 3

£8.49
Evening Blue Jumbo Biodegradable Latex Balloon 91cm / 36 in

Evening Blue Jumbo Biodegradable Latex Balloon 91cm / 36 in

£2.29
Tiffany Blue Heart Shape Foil Helium Giant Balloon 91cm / 36 in
Requires Inflation

Tiffany Blue Heart Shape Foil Helium Giant Balloon 91cm / 36 in

£4.49
Pastel Blue 4D Square Shape Foil Helium Balloon 38cm / 15 in
Requires Inflation

Pastel Blue 4D Square Shape Foil Helium Balloon 38cm / 15 in

£4.49
Sale! 50%
Sky Blue Metallic Latex Linking Balloons 30cm / 12 in - Pack of 15

Sky Blue Metallic Latex Linking Balloons 30cm / 12 in - Pack of 15

£1.49
£2.99
Iridescent White Biodegradable Latex Balloons 30cm / 12 in - Pack of 8

Iridescent White Biodegradable Latex Balloons 30cm / 12 in - Pack of 8

£1.59
Cosmic Blue Biodegradable Latex Balloons 30cm / 12 in - Pack of 50

Cosmic Blue Biodegradable Latex Balloons 30cm / 12 in - Pack of 50

£9.99
Out Of Stock
Sale! 25%
Pearl White Round Latex Qualatex Balloons 28cm / 11 in – Pack of 100

Pearl White Round Latex Qualatex Balloons 28cm / 11 in – Pack of 100

£21.74
£28.99
Metallic Silver Biodegradable Latex Balloons 23cm / 9 in - Pack of 30

Metallic Silver Biodegradable Latex Balloons 23cm / 9 in - Pack of 30

£2.19
Metallic Silver Biodegradable Latex Balloons 23cm / 9 in - Pack of 50

Metallic Silver Biodegradable Latex Balloons 23cm / 9 in - Pack of 50

£3.19
Pastel Matte Baby Blue Biodegradable Mini Latex Balloons 13cm / 5 in – Pack of 100

Pastel Matte Baby Blue Biodegradable Mini Latex Balloons 13cm / 5 in – Pack of 100

£7.99
Blue Star Balloon Weight

Blue Star Balloon Weight

£1.29
New
Iridescent Foil Balloon Weight 195g

Iridescent Foil Balloon Weight 195g

£0.69
Silver Metallic Finish Bubble Balloon Weight 35g

Silver Metallic Finish Bubble Balloon Weight 35g

£0.69
Royal Blue Curling Ribbon - 100 yd / 91.4m

Royal Blue Curling Ribbon - 100 yd / 91.4m

£1.59
White Curling Ribbon - 500 yd / 457m

White Curling Ribbon - 500 yd / 457m

£2.99
Disposable Helium Gas Canister with 30 Metallic Silver Balloons and Curling Ribbon

Disposable Helium Gas Canister with 30 Metallic Silver Balloons and Curling Ribbon

£27.79
Disposable Helium Gas Canister with 50 Baby Blue Balloons and Curling Ribbon

Disposable Helium Gas Canister with 50 Baby Blue Balloons and Curling Ribbon

£36.39
Out Of Stock
Sale! 50%
Blue Number 5 Air Fill Foil Balloon 40cm / 16 in
Air Fill

Blue Number 5 Air Fill Foil Balloon 40cm / 16 in

£0.89
£1.79
Out Of Stock
Silver Number 0 Air Fill Foil Balloon 40cm / 16 in
Air Fill

Silver Number 0 Air Fill Foil Balloon 40cm / 16 in

£1.95
Number 0 Pastel Blue Air Fill Foil Balloon 35cm / 14 in
Air Fill

Number 0 Pastel Blue Air Fill Foil Balloon 35cm / 14 in

£1.49
Blue Number 0 Helium Foil Giant Balloon 86cm / 34 in
Requires Inflation

Blue Number 0 Helium Foil Giant Balloon 86cm / 34 in

£3.75
Silver Number 0 Helium Foil Giant Balloon 86cm / 34 in
Requires Inflation

Silver Number 0 Helium Foil Giant Balloon 86cm / 34 in

£3.75
Sale! 49%
Pastel Blue Number 2 Shaped Air Fill Standing Foil Balloon 64cm / 25 in
Air Fill

Pastel Blue Number 2 Shaped Air Fill Standing Foil Balloon 64cm / 25 in

£2.49
£4.89
Pastel Blue Number 0 Helium Foil Giant Balloon 66cm / 26 in
Requires Inflation

Pastel Blue Number 0 Helium Foil Giant Balloon 66cm / 26 in

£3.99
Silver Letter A Air Fill Foil Balloon 40cm / 16 in
Air Fill

Silver Letter A Air Fill Foil Balloon 40cm / 16 in

£1.95
Sale! 50%
Blue Letter B Air Fill Foil Balloon 40cm / 16 in
Air Fill

Blue Letter B Air Fill Foil Balloon 40cm / 16 in

£0.89
£1.79
Silver Letter B Helium Foil Giant Balloon 86cm / 34 in
Requires Inflation

Silver Letter B Helium Foil Giant Balloon 86cm / 34 in

£5.95
White Number 0 Helium Foil Giant Balloon 102cm / 40 in
Requires Inflation

White Number 0 Helium Foil Giant Balloon 102cm / 40 in

£4.99
Sale! 50%
Silver Number 4 Shaped Air Fill Standing Foil Balloon 76cm / 30 in
Air Fill

Silver Number 4 Shaped Air Fill Standing Foil Balloon 76cm / 30 in

£1.99
£3.99
Blue Reusable Sticky Power Tack 150g

Blue Reusable Sticky Power Tack 150g

£1.49
Clear Packing Tape 50m

Clear Packing Tape 50m

£1.99
Comfort Grip Scissors - Pack of 2

Comfort Grip Scissors - Pack of 2

£1.69
Stainless Steel Scissors - Pack of 2

Stainless Steel Scissors - Pack of 2

£2.09
Clear Fishing Line Nylon String 25m

Clear Fishing Line Nylon String 25m

£1.99
Metallic White & Gold Twine 13.7m

Metallic White & Gold Twine 13.7m

£2.19
Biodegradable Caddy Sacks - Roll of 25

Biodegradable Caddy Sacks - Roll of 25

£5.49
Sale! 56%
Electric Air Balloon Pump UK

Electric Air Balloon Pump UK

£12.99
£29.99
Double Action Air Balloon Hand Pump

Double Action Air Balloon Hand Pump

£1.49
Hishine Bottle with Sprayer 240ml

Hishine Bottle with Sprayer 240ml

£23.99
Comfort Grip Scissors - Pack of 2

Comfort Grip Scissors - Pack of 2

£1.69
Clear Fishing Line Nylon String 25m

Clear Fishing Line Nylon String 25m

£1.99
White Foil Balloon Weight

White Foil Balloon Weight

£0.75
White Curling Ribbon - 100 yd / 91.4m

White Curling Ribbon - 100 yd / 91.4m

£1.59
Qualatex Clear Balloon Bags - Pack of 50

Qualatex Clear Balloon Bags - Pack of 50

£29.99
Hishine Bottle Refill 2.84 Litre

Hishine Bottle Refill 2.84 Litre

£139.00
Biodegradable Caddy Sacks - Roll of 25

Biodegradable Caddy Sacks - Roll of 25

£5.49
Tablecover Clips - Pack of 4

Tablecover Clips - Pack of 4

£1.19
Glitter Hot Pink Candles With Holders - Pack of 12

Glitter Hot Pink Candles With Holders - Pack of 12

£1.79
Yellow Striped Eco-Friendly Paper Straws - Pack of 10

Yellow Striped Eco-Friendly Paper Straws - Pack of 10

£1.59
Out Of Stock
Haribo Freaky Fish Vegetarian Sweet 10g

Haribo Freaky Fish Vegetarian Sweet 10g

£0.16
Out Of Stock
Frisia Rainbow Twister Vanilla Mallow 8.5g

Frisia Rainbow Twister Vanilla Mallow 8.5g

£0.24