Mermaid birthday invitation with teal sandcastles, coral, seashells, and tropical fish.
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Coral Castle Mermaid Birthday Invitation

Underwater birthday invitation with teal sandcastles, coral, seashells, seahorses, and jellyfish in a whimsical illustrated style.

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 invitation features a richly illustrated underwater scene built around teal sandcastle towers topped with spiraling coral-pink seashells, surrounded by branching coral, iridescent mollusks, seahorses, jellyfish, and small tropical fish. The color palette blends deep teal waters with warm coral, peach, gold, and soft iridescent tones throughout the artwork. A white arched panel at the center frames the event details in a flowing script headline paired with clean serif body text, creating a storybook quality. The layered composition gives the design depth and a whimsical, enchanting mood suited to a mermaid or undersea-themed birthday celebration. The name, date, time, venue, and RSVP deadline shown on the card can all be personalized.