LI Bulk Materials | Long Island Masonry Supply

Bulk Materials

We have all your bulk material needs right here. If you are looking for gravel, concrete block, large stone and a variety of other options we can help. Our tools & equipment page has helpful items as well. Contact our masonry supply company with questions.


LI Landscaping

Blue Stone Gravel

Smaller version of the 3/4 Blue Stone. Decorative stone, used for driveways, walkways, and parking areas. Compacts easily and allows water to drain through.

Long Island Landscaping Supply


Stone used for drainage purposes as well as decoration and driveways.


ronkonkoma landscaping Supplies

Black Mulch

Triple shredded dyed black mulch for use in flower beds or as decorative landscaping cover.


Holbrook Concrete

Fine Sand

Finely screened sand used for pools, pavers, mortar mix, and concrete mix. Available in bags.

Hamptons Concrete Sand

Concrete Sand

Screened Sand with stones no bigger than 3/8 of an inch. Used for concrete mix.

Top Soil

Brookhaven Screened Topsoil

Screened Topsoil

Mixed with just the right amount of compost to make it great for growing grass as well as use in flower beds and planters.

Concrete Block

holbrook concrete supply landscaping hardscaping


Large Stone

LI boulders

LI Boulders

Various Sizes
Holbrook moss rock

Moss Rock

Various Sizes
Hamptons dive rock

Dive Rocks

2′ – 10′ size. Great for steps or pools.


  • Fine Sand
  • Concrete Sand
  • 3/4 & 3/8 Pea Gravel
  • 3/4 & 3/8 Blue Stone
  • Black & Red Mulch
  • Topsoil
  • RCA
  • State-Approved RCA
  • Clean Fill
  • Tools & Safety Equipment
  • Adhesives, Cleaners, and Sealers
  • Expansion Joints
  • Tar Paper
  • Cobblestone
  • Wire Lath
  • Angle Iron
  • Rebar
  • Precast Sills, Keystongs, Balusters, and Statues.
  • Fireplace components and fire brick

Contact Us to Learn More