Under-the-sea birthday invitation with watercolor ocean floor, fish, coral, and shells.
Customize This Invitation
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Grass Mermaid Birthday Invitation Card

Watercolor under-the-sea birthday invitation with coral, fish, and seahorse illustrations in blue and terracotta tones.

Template Size5 x 7 in
  • Customize the wording, fonts, colors, and layout
  • Add event details before you send the invitation
  • Share by link, WhatsApp, email, or QR code
  • Collect RSVPs and track responses in real time
  • Mobile-friendly for guests with no app required
  • Keep planning paperless and easy to manage

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Design Description

This under-the-sea birthday invitation features a soft watercolor blue wash background with a detailed ocean floor scene along the bottom edge. Illustrated sea creatures include clownfish, a blue fish, a jellyfish, and a seahorse, surrounded by coral, seaweed, starfish, shells, and an ammonite in muted terracotta, blue, and sandy tones. The title text appears in bold rust-orange italic script, while event details are set in deep navy blue serif type, creating a calm, coastal mood. Suitable for an ocean or sea-themed birthday celebration. The name, date, time, address, and RSVP number shown on the card can all be personalized.