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From cozy hoodies to dreamy bags, over 30,000 kittens have joined the Nyamily! Every piece is artist-designed, made with love, and rooted in whimsy. Thank you for helping us grow this magical little corner of the internet 💖

  • Model wearing the Nyahallo Moon Jellyfish Swimsuit with the detachable jellyfish-inspired cape, featuring a star-patterned bust, lace-up sides, and flowing ocean-inspired cape.
  • Back view of the Nyahallo Moon Jellyfish Swimsuit with the detachable moon jellyfish-inspired cape, showcasing the crossed shoulder straps and flowing ocean-inspired print.
  • Model wearing the Nyahallo Moon Jellyfish Swimsuit with the detachable moon jellyfish-inspired cape, featuring a star-patterned bust, lace-up sides, and flowing cape while walking along the beach.
  • Model wearing Nyahallo's Moon Jellyfish Swimsuit without the cape, featuring a navy star-patterned one-piece with lace-up sides and ruffle details.
  • Side view of a model wearing the Nyahallo Moon Jellyfish Swimsuit without the detachable cape, featuring a navy one-piece with a star-patterned bust, lace-up sides, and ruffle skirt detail.
  • Back view of the Nyahallo Moon Jellyfish Swimsuit with the detachable jellyfish-inspired cape, featuring a flowing star like print and ocean-inspired design.
  • Side view of the Nyahallo Moon Jellyfish Swimsuit with the detachable moon jellyfish-inspired cape, showcasing the flowing layered cape, side lace-up detail, and ocean-inspired print.
  • Close-up front view of the Nyahallo Moon Jellyfish Swimsuit without the detachable cape, showcasing the star-patterned bust, adjustable front ruching, side lace-up details, and ruffled skirt.
  • Illustration concept art of a whimsical blue moon jellyfish one-piece swimsuit with celestial details, frilled sleeves, and a detachable cape accessory.
Have a question not on this page? Contact support@nyahallo.com
♡ This is a PRE-ORDER ITEM ♡

We highly recommend ordering this separately from in-stock items to avoid delays. Please check the pre-order for the estimated shipping date.

Dark Blue Moon Jellyfish One-Piece Swimsuit with Cape (PHASE 2 PRE-ORDER)

Regular price £101.00 Sale price £113.00
Unit price per
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  • Artist owned & operated
  • Tariff free for US/Canada customers
  • Inclusive sizing
  • Designed with love
  • High quality
PRE-ORDER UPDATES

This is a pre-order item. While we provide timelines based on the factory’s current estimates, please note that these dates are approximate. Thank you so much for your patience and understanding as we work to bring your order to life.

Orders that include pre-order items will ship once all items are in stock. For faster shipping, we recommend purchasing pre-order items separately from in-stock products.

For pre-order updates, please subscribe to our email newsletter.

PRODUCT DESCRIPTION

Meet our Dark Blue Moon Jellyfish One-Piece Swimsuit with Cape ♡

Inspired by moon jellyfish drifting beneath a starry night sky, this enchanting dark blue swimsuit features celestial detailing, cascading ruffles, and twirly tentacle-inspired frills. The separate moon jellyfish cape adds a dramatic, flowing layer that can be worn whenever you want an extra touch of ocean magic!

Shipping Status ♡

This is a Phase 2 pre-order item. This means the prototype sample has been completed and this line is entering bulk production. 

Our current estimate for these pieces is Q3–Q4 2026. Please keep in mind that estimated timelines may change depending on manufacturing and logistical conditions.

Our policy is that we allow full cancellations for ALL Phase 2 pre-orders at any time before shipping.

The Details ♡

  • Moon jellyfish-inspired one-piece swimsuit
  • Deep navy blue color palette
  • Celestial star detailing across the bust
  • Adjustable halter neckline
  • Ruched center with decorative tie details
  • Lace-up detailing along the waist
  • Soft ruffled overlay around the hips
  • Twirly jellyfish tentacle-inspired frills
  • Separate flowing moon jellyfish cape
  • Scalloped cape edges with celestial and water-drop detailing
  • Large moon jellyfish design across the back of the cape
  • Cape ties around the neck with a bow
  • Soft and stretchy fabric
  • Fully lined swimsuit for added comfort and coverage
  • Moderate back and rear coverage
  • Fitted, flexible silhouette
  • Available in sizes XS through 5XL

Please Note ♡

Unfortunately, we will not be moving forward with the Pastel Purple variant this year. If you pre-ordered this color during the Phase 1 pre-order period, you will receive an email regarding your order. You’ll have the option to switch to the Dark Blue variant, choose a different swimsuit, or cancel your order and receive either full store credit or a full refund to your original payment method. We sincerely apologize for the change and any inconvenience this may cause.

This includes both top and bottom pieces. We do not allow mix and match sizes for top and bottoms. Sorry about that!


This item has limited stock and will not come back once it has sold out!

Jen is 5'4" and is wearing size L.

FABRICS

What It’s Made Of ♡

Made from a nylon, polyester, and spandex blend for a comfy and stretchy feel.

CARE INSTRUCTIONS

Care Instructions ♡

  • Hand wash cold or machine wash the swimsuit on a gentle cycle
  • Hand wash the cape separately
  • Use mild detergent
  • Do not bleach
  • Do not wring or twist
  • Lay flat or hang dry in the shade
  • Do not tumble dry
  • Avoid ironing or applying direct heat
  • Rinse with clean water after swimming in chlorine or salt water
SIZING INFORMATION

How It Fits ♡

Measure your bust, waist, and hips, then compare your measurements to the body measurement chart below.

This swimsuit is best suited for heights between 5'0" and 5'8" and is not recommended for individuals taller than 5'8".