Under the Sea: How to Plan a Mermaid Baby Shower
There is no shower theme more shimmeringly beautiful than a mermaid — iridescent everything, ocean tones that photograph like a dream, and that irresistible sense of enchantment that makes every guest feel like they've stepped somewhere magical. Here's how to plan a mermaid baby shower that truly lives up to all of that. The best part? It looks like it took weeks, even if you pull it together in a weekend.
This post contains Amazon affiliate links. Shopping through my links supports this blog at no extra cost to you!
Party Supply List
Shop This Mermaid Baby Shower
Find everything you need to bring this party to life — decorations, tableware, favors and more.
⭐ Our Favorite: Balloon Arch Frame Kit — works for every party theme!
Shop Party Supplies on Amazon →Make an Entrance That Shimmers
The welcome sign is what guests see the moment they arrive — and with a mermaid shower, it should stop them in their tracks. This Pastel Mermaid Baby Shower Welcome Sign is fully customizable with mama's name and due date, prints beautifully at any print shop in large format, and pairs perfectly with an iridescent balloon backdrop.
🧜♀️ The balloon arch behind it: Layer iridescent, teal, and pearl white balloons for a backdrop that catches every bit of light in the room — it photographs beautifully and sets the whole ocean mood from the moment guests walk in. Tuck in faux seashells and starfish between the balloons for that final under-the-sea touch. (affiliate links)
Build a Table That Looks Like the Ocean Floor
The food table is the visual centerpiece of the shower — and the mermaid theme is one of the most stunning to style. Lay a mermaid scale tablecloth as your base, scatter real or faux shells and sea glass across the surface, and drape a piece of teal fishnet behind the table with shells woven through it. Set up the Pastel Mermaid Game Bundle on a side table and fill a glass beverage dispenser with blue butterfly pea flower lemonade that shifts purple when stirred — it's the most talked-about detail at any mermaid party.
Games Every Guest Will Love
- Baby predictions by the sea — guests write their predictions for baby on a scroll tucked into a small bottle. Seal them and open at the first birthday. The Mermaid Game Bundle has everything you need ready to print.
- Ocean trivia — fun sea creature and ocean facts as a group game. Surprisingly competitive, always gets people talking.
- Diaper raffle — guests bring a pack of diapers for a raffle ticket. Include the Diaper Raffle Insert with the invitation so guests come prepared.
- Books for baby — instead of a card, guests bring a book with a note written inside. The Books for Baby Insert goes right in the invitation and baby ends up with the most beautiful little library.
The Take-Home Touch: Mermaid Shell Crown for Mama
Set up a crown-making station with plain headbands, an assortment of real and faux shells, pearl beads, iridescent ribbon, sea glass gems, and a hot glue station. Guests collaborate to build mama a mermaid crown — each person adds one element. The resulting crown is a wearable piece of everyone's love. Mama wears it for gift opening and keeps it as a keepsake from the day. Set out extra smaller headbands so guests can make mini versions for themselves to take home too.
Shop the Pastel Mermaid Baby Shower Collection
Everything you see in this post is available as an instant digital download — customize online, download, and print at home or at any print shop.