Hi Tracy, here's an idea: https://www.youtube.com/watch?v=NlLIZF6V-zw
Here's a fun tutorial. https://www.sandandsisal.com/2013/05/diy-sea-glass-vases.html
I love the beachy mason jars that have the "fish net" around them. I created a bird feeder using this but you could easily paint the jar a beachy blue and put a candle, or sand and shells or flowers in it instead of using it as a bird feeder. It is easy to do too. Here is my post! Have fun. https://michellejdesigns.com/how-to-create-a-fall-mason-jar-hanging-bird-feeder/
Attaching shells and beachy items with hot glue will dress them up.
Here's one I've made: