Mariano Stone LLC ProView

Mariano Stone LLC

San Diego, California 92121
(858) 271-1221     (310) 254-6992

Welcome to Mariano Stone, your direct manufacturer supplier/wholesaler for ColorQuartz® and NEOLITH by TheSize.  We offer: exquisite architectural surfaces, superior service with quick lead times, stunning global design trend selection, full support, marketing collateral and very competitive prices. 

Additional Services Provided:  ColorQuartz® & Neolith by TheSize product training, brand awareness events, fabricator certification and AIA CES credits.

Mariano Stone also stock the finest quality natural stone marble and variety of Koher® sinks for kitchen and bathroom vanities. Our retail division was awarded "Top Distributor" from the Kohler® family.

We are committed to providing outstanding products and services to our building industry partnersTrade partner of elite distributors, designers, architects, builders and fabricators.




COLORQUARTZ® is the world's leading producer of premium quartz surfaces for residential, hotel and commercial applications.  Designed in California, ColorQuartz is the perfect fusion of aesthetics, science and meticulous attention to detail.  You will find an array of colors, ranging from natural and inviting tones, to bold and distinctive patterns. 

Features & Benefits:

  • Antibacterial, anti-mold, anti mildew
  • Color Consistency
  • Maintenance Free
  • Non-porous, Non-absorbent
  • Resistant to household cleaners
  • Scratch Resistant
  • Stain Resistant
  • Heat Resistant
  • Strength & Durability 
  • Manufacturer Backed Warranty (Lifetime Residential or 10 Year Commercial)

ColorQuartz Factory Tour:

AccreditationsNSF (National Sanitation Foundation), USGBC, SGS, GREENGUARD GOLD, ECOLOGO

Slab sizes
Half Slab (120" x 28.5")
Standard (120" x 57")
Jumbo (124" x 62")

Top (108" x 25.5")
Peninsula (110" x 36")
Island (108" x 25.5")

Whether your a developer, architect, contractor or professional designer, ColorQuartz® is the perfect starting point for your creative endeavors and finishing statement for every design inspired space. View the latest and greatest masterpieces at Mariano Stone today.  Ask about our Certified Fabricator Network.  


NEOLITH BY THESIZE, a Sintered Compact Surface, is a revolutionary new product category pioneered by TheSize in the last decade to effectively respond to the most demanding architectural and interior design needs.

Designed and produced in Spain, Neolith is a 100% natural product with extraordinary technical characteristics that make it an ideal material for a variety of exterior and interior applications, including kitchens.

Neolith Kitchen Lounge understands that an ideal kitchen environment should combine design and functionality; elegance and durability; aesthetic details and technical specifications. For many, the kitchen is the heart of the home and a sociable space where family and friends gather.

To that end, Neolith gives life to a surface, providing an extremely high level of resistance to scratches, high temperature, chemicals and UV rays; while offering near-zero porosity, making it waterproof and stain resistant. A surface with more than 50 different models to satisfy the tastes, needs and trends of any household anywhere in the world, Neolith delivers exclusive detail-rich designs with chromatic properties that dress a given space with a touch of class without compromising on quality.

With more than 150,000 worktops installed worldwide in less than 5 years, the figures speak for themselves when it comes to the design guarantee and reliability of Neolith in the kitchen sphere. In addition, TheSize offers a 10-year manufacturing warranty on all Neolith slabs used to create worktops.

Neolith is more than a countertop, it’s an architectural skin.

Neolith is a highly versatile surface with a repertoire of finishes, thicknesses and formats on offer. It can be used for a variety of different kitchen applications including kitchen islands, sinks, backsplashes, cabinetry and furniture, flooring and wall cladding.

Design choices inspired by on-trend aesthetics, including marbles, metals, woods, fabrics, natural stones and industrial elements, make Neolith a product suitable for any style of kitchen: from classic to more avant-garde inspired concepts.

Neolith: Design, Durability, Versatility and Sustainability


Monday to Friday 8:00 am- 5:00 pm
Saturday by appointment
Sunday Closed

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