Gem Marble & Granite Corp

Gem Marble & Granite Corp Custom stone fabrication for residential and commercial projects. 30 years in business and centrally located on long island.

With over 30 years of experience steeped in European craftsmanship and attention to detail Gem Marble and Granite Corp has been at the commission of clients from New York City to Montauk to provide them with exquisite stone details time and time again. Whether it is a small vanity or an expansive kitchen with numerous details our project management & production staff can assist you from raw concep

tualization to it's final fruition. Come down and visit our tile showroom, stockyard and see our fabrication shop first hand.

The perfect getaway is one part vision, one part desire two cups of drive and a pot of collaboration. A returning client...
09/05/2026

The perfect getaway is one part vision, one part desire two cups of drive and a pot of collaboration.

A returning client brought us their plans and with some conversation and a trip to our friends at Stone World Imports the selection of Himalayan White in leather finish was made.

Photos supplied by our client





Beautiful Cippolino Ondulato quarried in the Apuan Alps of Italy arrives to us from our friends at BAS Stone for a proje...
09/05/2026

Beautiful Cippolino Ondulato quarried in the Apuan Alps of Italy arrives to us from our friends at BAS Stone for a project with Ben Krupinski Builder and SLR Architects

A pleasure to see and produce. Details to follow.





09/05/2026

Shop ticket details are important and having the right section details for our artisans to follow is critical.

Here we have a depression detail and miter condition. Along with a sculpted outcorner condition at a miter edge assembly.





Arabescato Corchia.marble table with mitered edges, legs with mitered assembly. Honed finish. Straight gorgeous. ...
08/29/2026

Arabescato Corchia.marble table with mitered edges, legs with mitered assembly. Honed finish.

Straight gorgeous.





Beautiful Calacatta gold marble sourced from our friends at BAS Stone for a project in the Hamptons. Mitered edge assemb...
08/26/2026

Beautiful Calacatta gold marble sourced from our friends at BAS Stone for a project in the Hamptons.

Mitered edge assembly, bookmatchingg at island and stove backsplash panel. All in honed finish.





That time of the year when the away message is on and my feet touch sand. Family Fun Relaxation
08/24/2026

That time of the year when the away message is on and my feet touch sand.

Family Fun Relaxation





Even though I do a majority of drawings in CAD I still do certain drafting and sketching by hand. Love the way graphite ...
08/21/2026

Even though I do a majority of drawings in CAD I still do certain drafting and sketching by hand. Love the way graphite collects on paper.





After last night's storm we find the stockyard flooded out. We'll be busy this morning pumping water out and make it man...
08/21/2026

After last night's storm we find the stockyard flooded out. We'll be busy this morning pumping water out and make it manageable for the shop.

Stay dry and keep grinding





Beautiful White Diamond Quartzite sourced from our friends at BAS Stone for a project with sci_builders and Christopher ...
08/17/2026

Beautiful White Diamond Quartzite sourced from our friends at BAS Stone for a project with sci_builders and Christopher Maya for a beautiful slab shower complete with pitched shower slab floor, mitered and bonded curbs, assembled bench and slip in niche box.

A beautiful space!





Natural Onyx, full gloss finish with miter edge assembly. His and Hers vanity tops in the master bath. Completed. ...
08/04/2026

Natural Onyx, full gloss finish with miter edge assembly. His and Hers vanity tops in the master bath.

Completed.





Address

1735 Feuereisen Avenue
Ronkonkoma, NY
11779

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 12pm

Telephone

+16314677992

Website

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