Your cart is empty
You are £XX.XX away from Free Shipping
Please wait while your order is processing
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.
Show more
Counting products...
Clear all
Filter
filter_list
Sort: Relevance
Price: Low to High
Price: High to Low
Single
Pack of 6
Pack of 12
Pack of 24
Assorted Sealife Mini Notebook
Assorted Mini Sealife Jigsaw Puzzle
Single
6 Packs
12 Packs
24 Packs
Sealife Mini Playing Cards
Silver 12mm Heart Diamonds Premium Table Gems 28g
Kingsway Fizzy Cola Bottles Vegan Sweet 4g
Number 1
Number 0
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Number 1 Standard Pinata 50cm
Kingsway Blue & White Penguins Gluten Free Sweet 4g
Kingsway Beach Mix Gluten Free Sweet 5g
Kingsway Fizzy Blue Raspberries Vegan Gluten Free Sweet 8.5g
Haribo Goldbears Sweet 2.3g
Haribo Giant Strawb Vegetarian Sweet 11g
Haribo Starmix Treat Size Sweets Bag 16g
Haribo Supermix Treat Size Sweets Bag 16g
White Round Paper Plates 17cm - Pack of 20
Requires Inflation
Number 0
Number 2
Number 3
Number 4
Number 5
Number 7
Number 6
Number 9
Number 1
Number 8
Blue Number 0 Helium Foil Giant Balloon 86cm / 34 in
Turquoise Blue Luncheon Napkins 30cm 1Ply - Pack of 100
Royal Blue Oval Paper Plates 30cm - Pack of 8
White Honeycomb Hanging Decoration Puff Ball 40cm
Silver 25mm Giant Round Foil Table Confetti 50g
Royal Blue Square Paper Plates 22cm - Pack of 14
Requires Inflation
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
White Number 2 Helium Foil Giant Balloon 102cm / 40 in
Air Fill
Number 7
Number 8
Number 9
Silver Number 7 Shaped Air Fill Standing Foil Balloon 76cm / 30 in
Powder Blue Square Paper Plates 17cm - Pack of 16
Powder Blue Honeycomb Hanging Decoration Ball 20cm
Powder Blue Round Paper Plates 22cm - Pack of 16
Requires Inflation
Letter B
Letter C
Letter D
Letter F
Letter G
Letter H
Letter I
Letter J
Letter K
Letter N
Letter O
Letter P
Letter Q
Letter U
Letter V
Letter W
Letter X
Letter Y
Letter Z
Letter E
Silver Letter B Helium Foil Giant Balloon 86cm / 34 in
Air Fill
Number 2
Number 3
Number 4
Number 5
Number 6
Number 8
Number 9
Silver Number 2 Air Fill Foil Balloon 40cm / 16 in
Powder Blue Plastic Tablecover 274cm x 137cm
Royal Blue Curling Ribbon - 100 yd / 91.4m
Air Fill
Number 0
Number 1
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Number 0 Pastel Blue Air Fill Foil Balloon 35cm / 14 in
Caribbean Teal Plastic Table Skirt 426cm x 74cm
White Paper Party Bag - Pack of 12
Blue Rectangular Reusable Plastic Serving Tray – 9 x 13 Inches / 23 x 33cm – Pack of 3
Number 0
Number 1
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Metallic Steel Blue Number 0 Birthday Candle 9cm
Powder Blue Striped Paper Straws - Pack of 10
Requires Inflation
Number 0
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Number 1
Silver Number 0 Helium Foil Giant Balloon 86cm / 34 in
White Curling Ribbon - 500 yd / 457m
Requires Inflation
Number 0
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Pastel Blue Number 0 Helium Foil Giant Balloon 66cm / 26 in
Royal Blue Paper Cups 270ml - Pack of 14
Pearl Baby Blue 10mm Round Foil Table Confetti 50g
Baby Blue Tissue Gift Paper Sheets - Pack of 10
Number 0
Number 1
Number 2
Number 3
Number 4
Number 6
Number 7
Number 8
Number 9
Blue Number 0 Non Hand Held Sparkler 17cm
Fashion Solid White Sand Jumbo Biodegradable Latex Balloons 61cm / 24 in - Pack of 3
Silver Damask Paper Banquet Roll - 7m x 1.18m
Air Fill
Pastel Blue Number 2 Shaped Air Fill Standing Foil Balloon 64cm / 25 in
Sky Blue Metallic Latex Linking Balloons 30cm / 12 in - Pack of 15
White Crepe Paper Streamer - 24.6m / 81 ft
Powder Blue Plastic Reusable Assorted Cutlery Set - Pack of 18
Disposable Helium Gas Canister with 50 Baby Blue Balloons and Curling Ribbon
Requires Inflation
Shimmering White Satin Luxe Star Shape Foil Helium Balloon 48cm / 19 in
Cool Blue Jumbo Biodegradable Latex Balloon 91cm / 36 in
Iridescent Foil Balloon Weight 175g
White Round Plastic Tablecover 213cm
Number 0
Number 1
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Silver Number 0 Non Hand Held Sparkler 17cm
Snazaroo White Face Paint - 18ml
Blue Hanging Decorative Honeycomb Fan 40cm
Blue Star Balloon Weight 140g
Cosmic Blue Biodegradable Latex Balloons 30cm / 12 in - Pack of 50
Baby Blue Biodegradable Latex Balloons 23cm / 9 in - Pack of 50
Baby Blue Foil Door Curtain Backdrop 92cm x 244cm
Royal Blue Paper Bag With Handles 21cm
Powder Blue Honeycomb Ball Garland - 213cm
Blue Plastic Pennant Bunting 10m
Number 0
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Number 3 Standard 3D Pinata 54cm
Haribo Freaky Fish Vegetarian Sweets 100g
Kingsway Baby Dolphin Gluten Free Sweets 100g
Frisia Rainbow Twister Vanilla Mallows 100g
Disposable Helium Gas Canister with 30 Metallic Silver Balloons and Curling Ribbon
Chrome Blue Latex Qualatex Balloons 28cm / 11 in - Pack of 100
Fashion Solid Caribbean Blue Biodegradable Mini Latex Balloons 13cm / 5 in - Pack of 100
