Bring the beach home with these gorgeous Sand Dollar Resin Coasters! They make a stunning and unique gift idea or home decor touch and they last for decades.
DIY Sand Dollar Resin Coasters
Growing up, my Grandpa had a huge basement that he dubbed both “Grandpa’s Dollhouse Workshop” and “Grandpa’s Seashell Workshop.”
He spent hours meticulously crafting wooden dollhouses for each of the girls in the family, as well as numerous resin crafts using seashells from his multiple yearly vacations with my Grandma.
My mom gifted me a set of these blue and gold sand dollar resin coasters that she found while moving and thought I might want. They’re made in the colors of West Virginia University, the alma mater of my dad and most of my aunts and uncles. It’s also where I went to college, so they hold special significance for me.
I loved these resin coasters as a kid, but “rediscovering” them as an adult, I can truly appreciate their uniqueness and the creativity and patience that went in to making each one.
After posting a picture on my social media, I received a lot of feedback, so I did a little research to share the method in which they were created. The process itself is fairly easy, though time-consuming (accounting for resin dry time).
But the results are stunning!
And they last for decades – the set of coasters my Grandpa made has lasted over 25 years so far!
After two and a half decades, they show a little wear, but are still in amazing condition (and we use them every day). Simply beautiful!
Resin Coaster Craft Supplies
For your convenience, I’ve included shop-able ad links to some of the products used to create these sea shell resin coasters; read our full disclosure policy here.
- Reusable coaster mold (make sure it’s designed to be used with resin — this Silikomart Silicone Mold has gotten great reviews)
- Clear casting resin (we used Alumilite Amazing Clear Cast 16 oz)
- Resin catalyst (sold as a two-piece set in the above link)
- Transparent Resin Dye
- Mold Release Conditioner Spray (if you are using a silicon mold this might not be necessary)
- Disposable plastic cups or bowls for preparing resin
- Sand dollars
- Adhesive Felt
- Plenty of old newspaper or the like to cover your workspace!
How to Make Resin Coasters with Sand Dollars
STEP 1 — Apply a generous coating of mold-release spray to the surface of the coaster molds.
STEP 2 — Follow directions on package for preparing clear resin.
**Note: The directions say to stir resin until there are “no swirls,” however, I would err on the side of caution and over-stir. When the resin is not adequately mixed it will not set. Ever. (Don’t ask me how I know…)
STEP 3 — Fill mold halfway with clear resin. Allow to set (this can take anywhere from 5 minutes to a few hours depending on the type you’re using). **The resin we used took over an hour to set.
STEP 4 — Add another layer of clear resin, leaving 1/4 of the mold unfilled. Gently press sand dollar face-down into this layer, making sure that the bottom on the sand dollar is below the top of the coaster mold. Allow to set.
STEP 5 — Prepare colored resin by following directions on dye packaging.
STEP 6 — Fill rest of mold with colored resin. Allow to harden for a full 24 hours before removing coaster from mold.
In this enhanced side view, you can clearly see the three resin layers. The bottom (top of the finished coaster) is clear resin, middle is clear resin containing the sand dollar, and top (bottom of finished coaster) is blue-dyed resin.
STEP 7 — When your sand dollar coasters are completely dry and you’ve removed them from the mold, apply adhesive felt to the back of coaster to prevent sliding on table surface. Trim felt as needed.
The back of a coaster covered with adhesive felt. GSW= Grandpa’s Seashell Workshop. Still in amazing shape for being over twenty years old!
Be sure to pin these gorgeous Sand Dollar Coasters on Pinterest:
More of our favorite resin crafts:
My sister and I also made these coral and seashell resin bangles with mini seashells and bracelet molds. Check them out to see how you can make them too!