Our 2025 Convention is May 16th - 18th
Exclusive 2025 Merch
Our California Mermaid Convention 'Mer-ch' is cute, inclusive, and many of our designs raise money for a good cause! Snag one of our three new designs before they swim away forever...
Pick Up at the con!
Exclusive 2025 Shirt by the Letter Mermaid
Our official Limited Edition T-Shirt for the 2025 California Mermaid Convention!
Our adorable 2025 t-shirt was designed by The Letter Mermaid! This mermaid and California based artist took one of convention cofounder, Mermaid Ashley's iconic convention quotes and transformed it into a shirt just for you! "Glue some shells to your face and have a joyful time!" indeed!
This shirt is available in VERY limited edition only at the convention! Make sure you grab one at the merch table while the last.
Ship to Me
2025 CMC Shirt by Designs by Danee
2025 Tumbler from the Bling Sisters
2025 Tumbler from the Bling Sisters
Our adorable light blue 2025 California Mermaid Convention shirt features our iconic logo. Grab yours and get it shipped to you before con, or get one to commemorate your new favorite mermaid event ;)
Grab the shirt here
2025 Tumbler from the Bling Sisters
2025 Tumbler from the Bling Sisters
2025 Tumbler from the Bling Sisters
From our longtime vendor The Bling Sisters! Customize your tumbler with your name and get it shipped to you before the con!
This tumbler has both a water bottle lid and a sipping lid, and comes with a straw. New for this year is the 3D mermaid tail handle which you can customize with your name! We’re excited for this one! The golden poppy is our favorite pop of color.
This cup is SOLD OUT!
Circle of Friends Graphic
New for the Digital Mermaid Convention, our Circle of Friends mermaid design says, "Yes, you CAN swim with us!" <3 The California Mermaid Convention has always strove to be a place of inclusive community, learning, and welcome; 'shell'ibrate our unique differences and the joy that mermaids bring us, across the seven seas! We are offering this design on t-shirts, totes and more!
To purchase, click here
Cosmic Merman
Shop our online merch - shipped to you!
Click the pic above to see our full range of shippable CMC Merch