Clean and dry the clear glass votive holder.
Clean and dry the sea glass pieces.
Separate the sea glass and sort it by color and size.
Starting at the edge, add a drop of hot glue to the sea glass and place it in line with the edge of the votive holder.
Continue to add sea glass to the holder in a color pattern that you like, fitting them as close as possible.
Use something to support the side as you work.
Use a hammer to break the sea glass into small pieces to fit into any empty hole.
Set a small glass votive candle inside and light it.