Elevate your space with granite, quartz, marble and quartzite surfaces. Bringing your vision to life through stone.

Beautiful Stone.

Exceptional Spaces.

With over 10 years of experience, Keystone Marble & Granite provides custom stone surfaces throughout New England.

From material selection to final installation, we make your project simple, seamless, and built to last.

ABOUT US

Kitchens

Bathrooms

Fireplaces

Outdoor Kitchens & Grills

WHAT WE DO

Durable stone countertops, custom islands, and backsplashes designed to enhance your space and everyday living.

Vanity tops, shower walls, tub surrounds, benches, and thresholds, combining lasting quality with a refined finish.

Make your fireplace a standout feature with custom stone surrounds and hearths that bring character to your space.

Create an inviting outdoor space with custom stone countertops, grill surrounds, and bar tops built for outdoor living.

Our Services

From kitchens and bathrooms to outdoor spaces, discover quality stonework tailored to every project.

Granite

Marble

EXPLORE YOUR OPTIONS

NATURAL STONE

                                                      White Ice Granite 

Bianco Carrara Marble

ENGINEERED STONE

NATURAL STONE

Quartzite

                                                  Taj Mahal Quartzite

NATURAL STONE

Quartz

Calacatta Siena Quartz

Find Your Perfect Stone

We help you choose the right stone for your project, guiding you through material selection to ensure the perfect fit for your space.

Known for its natural beauty, durability, and heat resistance. Granite is an excellent choice for kitchen countertops, islands, and outdoor spaces.

Timeless elegance with unique natural veining. Ideal for bathroom vanities, fireplaces, and sophisticated interior spaces.

Combining the elegant appearance of natural stone with exceptional hardness and durability. A premium choice for kitchen countertops, islands, and statement surfaces.

A low-maintenance, nonporous surface available in a wide range of colors and patterns. Perfect for modern kitchens, bathrooms, and everyday living.

More Than Countertops.

Looking for cabinets, tile, or additional finishing services?

We've got you covered.

BEYOND STONE SURFACES

From kitchen upgrades to complete renovations, we offer a range of solutions to bring your project together.

Whether you're a homeowner planning a renovation or a contractor managing a new project, we're here to make the process simple.

Tell us what you have in mind, share your project details, and our team will help you take the next step.

THE BEGINNING OF SOMETHING EXCEPTIONAL

Get a FREE quote