skip to content

Free DHL EXPRESS shipping to the USA on orders over $250

Order by 1pm (BST) weekdays for same-day despatch with DHL Express

Your cart

Your cart is empty

Check out these collections.

Sea Level

Look Good, Feel Good. Dive into style and sophistication with our Sea Level Swimwear & Beachwear collection. Perfect for your next beach getaway or poolside lounging, this collection features a stunning range of bikinis, swimsuits, and beachwear that combine fashion-forward designs with exceptional quality.

65 Results

Sea Level Sublime Balconette Bikini Top Cobalt
Sea Level Sublime Balconette Bikini Top Cobalt
RECYCLED MATERIALS
NEW

Sublime Balconette Bikini Top

Sea Level

$115.00

Unit price
per 

1 color
  • Sublime Cobalt
Sea Level Sublime Cheeky Bikini Bottom Cobalt
Sea Level Sublime Cheeky Bikini Bottom Cobalt
RECYCLED MATERIALS
NEW

Sublime Cheeky Bikini Bottom

Sea Level

$58.00

Unit price
per 

1 color
  • Sublime Cobalt
Sea Level Sublime Aloha Cotton Beach Shirt Cobalt
Sea Level Sublime Aloha Cotton Beach Shirt Cobalt
NEW

Sublime Aloha Cotton Beach Shirt in Cobalt

Sea Level

$115.00

Unit price
per 

2 colors
  • Sublime Cobalt
  • Aloha Flame
Sea Level Sublime Aloha Cotton Beach Shorts Cobalt
Sea Level Sublime Aloha Cotton Beach Shorts Cobalt
NEW

Sublime Aloha Cotton Beach Shorts in Cobalt

Sea Level

$90.00

Unit price
per 

2 colors
  • Sublime Cobalt
  • Aloha Flame
Sea Level Essentials Edit Spliced Swimsuit Evergreen
Sea Level Essentials Edit Spliced One Piece Swimsuit Evergreen
RECYCLED MATERIALS
NEW

Essentials Edit Spliced Swimsuit

Sea Level

$128.00

Unit price
per 

1 color
Sea Level Essentials Edit Triangle Bikini Top Evergreen
Sea Level Essentials Edit Triangle Bikini Top Evergreen
RECYCLED MATERIALS
NEW

Essentials Edit Triangle Bikini Top

Sea Level

$71.00

Unit price
per 

1 color
Sea Level Essentials Edit Tie Side Cheeky Bikini Bottom Evergreen
Sea Level Essentials Edit Tie Side Cheeky Bikini Bottom Evergreen
RECYCLED MATERIALS
NEW

Essentials Edit Tie Side Cheeky Bikini Bottom

Sea Level

$64.00

Unit price
per 

1 color
Sea Level Biarritz Longline Halterneck Swimsuit Evergreen
Sea Level Biarritz Longline Halterneck Swimsuit Evergreen
NEW

Biarritz Longline Halterneck Swimsuit

Sea Level

$147.00

Unit price
per 

1 color
  • Biarritz Evergreen
Sea Level Scalloped Triangle Bikini Top Black
Sea Level Scalloped Triangle Bikini Top Black
RECYCLED MATERIALS
NEW

Scalloped Triangle Bikini Top Black

Sea Level

$84.00

Unit price
per 

1 color
  • Black
Sea Level Scalloped Tie Side Bikini Bottom Black
Sea Level Scalloped Tie Side Bikini Bottom Black
RECYCLED MATERIALS
NEW

Scalloped Tie Side Bikini Bottom Black

Sea Level

$71.00

Unit price
per 

1 color
  • Black
Sea Level Sails Beach Shirt Lavender
Sea Level Sails Beach Shirt Lavender
NEW

Sails Beach Shirt

Sea Level

$96.00

Unit price
per 

1 color
  • Sails Lavender
Sea Level Sails Boardwalk Short Lavender
Sea Level Sails Boardwalk Short Lavender
NEW

Sails Boardwalk Short

Sea Level

$77.00

Unit price
per 

1 color
  • Sails Lavender
Sea Level Amalfi High Neck Swimsuit Blue
Sea Level Amalfi High Neck Swimsuit Blue
NEW

Amalfi High Neck Swimsuit

Sea Level

$135.00

Unit price
per 

1 color
  • Amalfi Blue
Sea Level Sunset Cover Up Shirt White
Sea Level Sunset Cover Up Shirt White
NEW

Sunset Cotton Cover Up Shirt in White

Sea Level

$109.00

Unit price
per 

2 colors
Sea Level Sunset Beach Pants White
Sea Level Sunset Beach Pants White
NEW

Sunset Cotton Beach Pants

Sea Level

$90.00

Unit price
per 

1 color
Sea Level Daisyfield Balconette Bikini Top Coral
Sea Level Daisyfield Balconette Bikini Top Coral
RECYCLED MATERIALS
NEW

Daisyfield Balconette Bikini Top

Sea Level

$116.00

Unit price
per 

1 color
  • Daisyfield Coral
Sea Level Daisyfield Drawstring Bikini Bottom Coral
Sea Level Daisyfield Drawstring Bikini Bottom Coral
RECYCLED MATERIALS
NEW

Daisyfield Drawstring Bikini Bottom

Sea Level

$71.00

Unit price
per 

1 color
  • Daisyfield Coral
Sea Level Sunset Cover Up Shirt Pink
Sea Level Sunset Cover Up Shirt Pink
NEW

Sunset Cotton Cover Up Shirt in Pink

Sea Level

$96.00

Unit price
per 

2 colors
Sea Level Sunset Beach Shorts Pink
Sea Level Sunset Beach Shorts Pink
NEW

Sunset Cotton Beach Shorts in Pink

Sea Level

$71.00

Unit price
per 

2 colors
Sea Level Casa Del Mar Flower Bandeau Swimsuit Flame
Sea Level Casa Del Mar Flower Bandeau Swimsuit Flame
RECYCLED MATERIALS
NEW

Casa Del Mar Flower Bandeau Swimsuit

Sea Level

$173.00

Unit price
per 

1 color
Sea Level Aloha Twist Bandeau Bikini Top Flame
Sea Level Aloha Twist Bandeau Bikini Top Flame
RECYCLED MATERIALS
NEW

Aloha Twist Bandeau Bikini Top

Sea Level

$96.00

Unit price
per 

1 color
  • Aloha Flame
Sea Level Aloha Cheeky Bikini Bottom Flame
Sea Level Aloha Cheeky Bikini Bottom Flame
RECYCLED MATERIALS
NEW

Aloha Cheeky Bikini Bottom

Sea Level

$52.00

Unit price
per 

1 color
  • Aloha Flame
Sea Level Aloha Cover Up Shirt Flame
Sea Level Aloha Cover Up Shirt Flame
NEW

Aloha Cover Up Cotton Shirt in Flame

Sea Level

$109.00

Unit price
per 

2 colors
  • Sublime Cobalt
  • Aloha Flame
Sea Level Aloha Beach Shorts Flame
Sea Level Aloha Beach Shorts Flame
NEW

Aloha Cotton Beach Shorts in Flame

Sea Level

$77.00

Unit price
per 

2 colors
  • Sublime Cobalt
  • Aloha Flame
Sea Level Casa Del Mar Longline Bikini Top Flame
Sea Level Casa Del Mar Longline Bikini Top Flame
RECYCLED MATERIALS
NEW

Casa Del Mar Longline Bikini Top

Sea Level

$128.00

Unit price
per 

1 color
Sea Level Casa Del Mar High Waist Bikini Bottom Flame
Sea Level Casa Del Mar High Waist Bikini Bottom Flame
RECYCLED MATERIALS
NEW

Casa Del Mar High Waist Bikini Bottom

Sea Level

$90.00

Unit price
per 

1 color
Sea Level Casa Del Mar Bandeau Bikini Top Flame
Sea Level Casa Del Mar Bandeau Bikini Top Flame
RECYCLED MATERIALS
NEW

Casa Del Mar Bandeau Bikini Top

Sea Level

$128.00

Unit price
per 

1 color
Sea Level Casa Del Mar Cheeky Bikini Bottom Flame
Sea Level Casa Del Mar Cheeky Bikini Bottom Flame
RECYCLED MATERIALS
NEW

Casa Del Mar Cheeky Bikini Bottom

Sea Level

$71.00

Unit price
per 

1 color
Sea Level Isla Triangle Bikini Top White
Sea Level Isla Triangle Bikini Top White
RECYCLED MATERIALS
NEW

Isla Triangle Bikini Top

Sea Level

$77.00

Unit price
per 

1 color
  • Isla
Sea Level Isla Tie Side Bikini Bottom White
Sea Level Isla Tie Side Bikini Bottom White
RECYCLED MATERIALS
NEW

Isla Tie Side Bikini Bottom

Sea Level

$64.00

Unit price
per 

1 color
  • Isla
Sea Level Isla Beach Pants White
Sea Level Isla Beach Pants White
NEW

Isla Palazzo Beach Pants

Sea Level

$135.00

Unit price
per 

1 color
  • Isla
Sea Level Palisades V Bandeau Swimsuit Black
Sea Level Palisades V Bandeau Swimsuit Black
RECYCLED MATERIALS
NEW

Palisades V Bandeau Swimsuit

Sea Level

$147.00

Unit price
per 

1 color
  • Black
Sea Level Congo Frill Swimsuit Natural
Sea Level Congo Frill Swimsuit Natural
NEW

Congo Frill Swimsuit

Sea Level

$147.00

Unit price
per 

1 color
  • Congo
Sea Level Congo Mesh Drawstring Mini Skirt Natural
Sea Level Congo Mesh Drawstring Mini Skirt Natural
RECYCLED MATERIALS
NEW

Congo Mesh Drawstring Mini Skirt, Size S (UK 10)

Sea Level

$77.00

Unit price
per 

1 color
  • Congo
Sea Level Eco Essentials Keyhole Halterneck Swimsuit Cobalt
Sea Level Eco Essentials Keyhole Halterneck Swimsuit Cobalt
RECYCLED MATERIALS
NEW

Eco Essentials Cobalt Halterneck Swimsuit

Sea Level

$116.00

Unit price
per 

3 colors
Sea Level Honeycomb Tri Swimsuit Red
Sea Level Honeycomb Tri Swimsuit Red
NEW

Honeycomb Tri Swimsuit

Sea Level

$135.00

Unit price
per 

1 color
Sea Level Honeycomb U Bar Bandeau Swimsuit Cobalt
Sea Level Honeycomb U Bar Bandeau Swimsuit Cobalt
NEW

Honeycomb U Bar Bandeau Swimsuit

Sea Level

$135.00

Unit price
per 

1 color
Sea Level Tradewind Cover Up Shirt Cobalt
Sea Level Tradewind Cover Up Shirt Cobalt
NEW

Tradewind Cover Up Shirt

Sea Level

$109.00

Unit price
per 

1 color
  • Tradewind Cobalt
Sea Level Tradewind Beach Pants Cobalt
Sea Level Tradewind Beach Pants Cobalt
NEW

Tradewind Beach Pants

Sea Level

$96.00

Unit price
per 

1 color
  • Tradewind Cobalt
Sea Level Tradewind Beach Shorts Cobalt
Sea Level Tradewind Beach Shorts Cobalt
NEW

Tradewind Beach Shorts

Sea Level

$77.00

Unit price
per 

1 color
  • Tradewind Cobalt

Explore Australian brand Sea Level - Swimwear & Beachwear Collection

Bikinis: Discover the perfect bikini for your summer adventures with our Sea Level collection. From vibrant prints to classic solids, our bikinis are designed to flatter every figure. Enjoy superior fit and comfort with styles that include bandeau tops, triangle bras, and high-waisted bottoms, crafted from premium fabrics that offer both durability and elegance.

Swimsuits: Elevate your swimwear game with our stylish swimsuits from Sea Level. Whether you prefer a chic one-piece or a flattering wrap style, our swimsuits provide excellent support and coverage while maintaining a sleek, modern look. Choose from a variety of cuts and designs, including plunging necklines and elegant shirring, to suit your personal style and enhance your confidence.

Beachwear: Complete your beach ensemble with our range of Sea Level beachwear. Explore our selection of cover-ups and kaftans that effortlessly transition from beach to brunch. Crafted from lightweight, breathable fabrics, our beachwear offers both comfort and sophistication, ensuring you look and feel fabulous wherever you go.

Why Choose Sea Level Swimwear & Beachwear?
- High-Quality Fabrics: Enjoy swimwear made from durable, quick-drying materials that ensure lasting comfort and style.
- Flattering Designs: Find bikinis and swimsuits that enhance your natural shape and boost your confidence.
- Fashion-Forward Styles: Stay on-trend with the latest patterns, colours, and cuts that make a statement.
- Versatile Beachwear: Choose from a range of cover-ups and accessories that complete your beach look with ease.

Shop Sea Level Swimwear & Beachwear at Naughty Knickers, with fast and efficient delivery.
Explore our Sea Level Swimwear & Beachwear collection today and discover the perfect bikinis, swimsuits, and beachwear for your next sun-soaked adventure. Shop now to find the ideal pieces that combine style, comfort, and confidence.