Custom Quartzite Gunite Pool Finish in Sag Harbor by Gappsi This private residence located on Long Island, NY features the design & installation by Gappsi Group. The image to the left pictures our team applying a custom Quartzite finish on a beautifully designed Gunite pool and spa which overlooks the water on the Sag Harbor sound.

Suffolk County 27543-H1 9-10-99 to present, 15435-H1 7-1-88 to 7-1-97  Nassau County H2209100000  Southampton L002384  NYC and The Five Boroughs 1321423

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