Picture of Sea Glass Mosaic Tabletop
This is a tutorial for a mosaic table top made mostly of sea glass.  It was fairly difficult to make, but I started out as a beginner and was able to execute it. 

This project is time consuming but makes an amazing and personal gift.  I made this for my sister for Christmas and I cant wait for her to see it!  Over the last 18 years we have spent countless hours scouring the beach and climbing cliffs to collect this sea glass and I finally found a good way to display it.
  • The round tabletop with grey grout has a more even top made up mostly of flat or thin pieces of sea glass and shells
  • The rectangular tabletop with black grout is has a bumpy top and features broken pottery and thick pieces of sea glass of various sizes (this was my practice piece for me)

Step 1: Supplies

Picture of Supplies
  • Table: Select a table you would like to repurpose. You can put your mosaic directly on the original tabletop or replace it with cement backer-board (I used one that was 1/2 inch). If you use the backer-board make sure it is sufficiently supported when on the table (see here)
  • Mosaic Tiles: If the table doesn't have a lip then you will need to create your own. I used 1 inch glass mosaic tiles.
  • Sea glass and Other Beach Items (ex. shells, stones, pottery, etc.): I collected most of my materials and then supplemented with some bought sea glass. You can buy it cheaply at craft stores (ex. Michaels) or online (ex. Ebay or Etsy).
  • Tile Adhesive
  • Grout: I used unsanded grout because of how close together all my pieces were and it worked well. If you color your own grout make enough for the whole project because it will be difficult to match the same color again.
  • Sealant: Decide if you want one that will leave your pieces shiny (I suggest this for sea glass)
  • Tiling Sponge
  • Tile Trowel: Use a tile trowel if laying large mosaic pieces over a wide area of adhesive at a time.
  • Grout Bag (for tile adhesive): This works better for small pieces since it give you more control. You can get these bags from a hard wear store or use a pastry bag (used for frosting) from a cake store. In a pinch you could try cutting the corner off a large ziplock bag.
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This is totally beautiful! Love it! <3

BayRatt11 months ago