Invitations & Communication
- Printed or digital Under the Sea invitations (mermaid, pirate, ocean animals)
- RSVP contact info
- Address/map to venue
- Allergy/dietary notes (if needed)
- Reminder message 1–2 days before the party
Decorations
- Underwater scene backdrop or wall decals
- Blue/teal streamers or fabric (for water effect)
- Hanging jellyfish lanterns or balloon clusters
- Netting with shells and starfish
- Bubble machine or clear balloon clusters (as bubbles)
- Themed signage (e.g., “Treasure Cove,” “Mermaid Lagoon”)
- Centerpieces (fishbowls, sea creatures, treasure chests)
- Table covers (blue, aqua, sand, or themed prints)
- Ceiling or floor decals (starfish, footprints, coral)
- Yard/entrance decorations (inflatable sea creatures, welcome sign)
Serving Essentials (Themed or Coordinated Colors)
- Plates (dinner and dessert, Under the Sea design or solid blues/purples)
- Napkins (shells, fish, or mermaid/pirate themed)
- Cups (with straws—bonus for ones with sea creature toppers)
- Forks, spoons, knives (blue, white, or themed)
- Serving trays or bowls (shell or treasure chest-shaped if possible)
- Pitchers/dispensers for drinks
- Cake knife and server
- Cooler or ice buckets for drinks/snacks
Food & Cake Supplies
- Cupcake or cake display (mermaid tails, ocean creatures, etc.)
- Food signs/labels with themed names (e.g., “Sea Star Sandwiches”)
- Sea-themed toothpicks or toppers
- Ice packs or chiller trays (if outdoors)
Party Activities & Game Materials
- Games (printed rules or signs for each station)
- Game props (fish for fishing game, treasure hunt clues, etc.)
- Prizes (small toys, stickers, bracelets, stamps)
- Craft supplies (beads, string, coloring pages, glue sticks)
- Music setup (speaker, playlist, backup battery or charger)
- Table for crafts or activity stations
- Wet wipes and paper towels nearby for messes
Favors & Party Bags
- Party favor bags (sea creature or treasure chest design)
- Mini toys (bubbles, sea-themed stamps, mini plushies)
- Treats (gummy fish, chocolate coins, goldfish snacks)
- Wearables (stickers, shell necklaces, pirate eye patches)
- Thank-you tags or stickers (“Thanks for diving in!”)
Optional Themed Accessories
- Dress-up bin (pirate hats, mermaid crowns, goggles)
- Photo booth backdrop and props
- Costume accessories for guests or hired talent
- Face painting or tattoo station supplies
- Hand sanitizer and tissues
Photo & Memory Supplies
- Instant camera or photographer
- Photo booth area
- Props (fish frames, seaweed scarves, treasure chest)
- Guest sign-in or wish book
- Folder or digital drive for photo sharing after the party
Clean-Up & Safety
- Extra trash bags
- Recycling bin
- Wet wipes
- Hand sanitizer
- First aid kit (band-aids, ice pack, etc.)
- Sunscreen and bug spray (if outside)