MBUUSA
Log in
Free Invites

Free Under-The-Sea birthday invitations

One card, blank where the date, time and address go. Drop your email and it's yours — nothing to buy, nothing to design.

Printable under the sea party invitation card with a paper jellyfish, a cardboard octopus and bubble shapes rising through blue water, with blank lines for the date, time and address

The under-the-sea invitation

Free to download and print — write in the date, the time and the address, and it's ready to send.

Free printable — drop your email and it's yours.

Unlock the printable — we'll occasionally send party ideas. Unsubscribe anytime.

To print
Ordinary paper, no special stock. It prints cleanly at A5 or half-letter, two to a sheet, so one sheet makes two invitations.
To send digitally
Skip the printer entirely — the same file works dropped straight into a group chat or a class-parent WhatsApp thread as a picture.

Planning the whole under-the-sea party? See the games, food and decor ideas that go with it.

More free invitations

Ready when you are

Or hand the whole afternoon over

A character performer arrives in costume and in character, runs the themed games, and gives you an hour to put the candles in the cake.

  • Vetted & insured
  • Money held until after the party
  • Free to ask
Browse party charactersSee every party theme