MSI Stepping Stones are a practical way to build clean, durable walkways, garden paths, poolside connections, and backyard transitions across Long Island and NYC. These natural stone pieces give contractors and homeowners a simple way to add function without making a space feel overbuilt. At 9 Brothers Building Supply, we stock products our customers use for outdoor living projects, landscape upgrades, and hardscape installs that need a finished look with natural character.
We help contractors first, and homeowners second, with material selection, pickup, and delivery planning. Our yards in Brentwood, East Setauket, and Riverhead make it easier to get what you need without slowing down the job. We carry MSI products and can help match stepping stones with coping, treads, and surrounding hardscape materials so the whole project works together.
When customers ask about MSI Stepping Stones, they are usually trying to create a path that feels natural but still ties into the rest of the project. We carry related MSI natural stone products that help complete that look, including:
These products are often used together when a project includes walkways, patios, pool areas, steps, or raised hardscape features. We see this a lot on Long Island jobs where the path needs to connect different parts of the yard while still looking consistent with the masonry and landscape design.
MSI is a strong choice for contractors and homeowners who want natural stone products with a clean appearance and a range of color and texture options. MSI materials work well in outdoor settings where you want a more refined finish than basic concrete paths. Our team can also help you think through how stepping stones will pair with coping, treads, and surrounding stone so the project feels planned out from the start.
MSI Stepping Stones are commonly used for backyard paths, side yard access, garden walkways, pool approaches, and transitions between patios and lawns. Contractors often use them to create a defined walking surface without pouring a full walkway. Homeowners like them because they make outdoor spaces easier to navigate while keeping a softer, more natural look.
A real tip we give at the counter is to plan spacing based on a normal walking stride before you set anything in place. Stones that look right on paper can feel awkward once someone actually walks the path. We also tell customers to prep a solid, level base first, especially on Long Island properties where drainage and settling can cause movement over time.
You can pick up from our Brentwood, East Setauket, or Riverhead yard, depending on what works best for your jobsite. We load contractors fast, and we can help stage orders for smoother pickups when you call ahead. Our team also delivers across Long Island and NYC, which helps when you need material dropped right where the crew can access it.
For larger outdoor living and landscape projects, it helps to plan delivery around install order. Getting stepping stones, coping, and treads staged in the right sequence can save time once the crew starts setting material.
If you need MSI Stepping Stones for a project on Long Island or in NYC, stop by Brentwood, East Setauket, or Riverhead and talk to our team. We carry materials contractors use every day, and we can help with pickup or delivery for your next order.
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NATURAL STONE COPINGS
MSI offers a full collection of copings, caps, and treads. The collection matches most paving options in travertine, granite, slate, quartzite, and limestone. They are available in an assortment of shapes, sizes, and colors. Due to the additional thickness of the material, it is perfect for steps, wall caps, column caps, and pool applications.
12X12
12X24
16X24
24X24
4X12
6X12
Limestone Natural Stone Coping Shown in Freska

NATURAL STONE COPINGS
MSI offers a full collection of copings, caps, and treads. The collection matches most paving options in travertine, granite, slate, quartzite, and limestone. They are available in an assortment of shapes, sizes, and colors. Due to the additional thickness of the material, it is perfect for steps, wall caps, column caps, and pool applications.
12X12
12X24
16X24
24X24
4X12
6X12
Marble Natural Stone Coping Shown in Aegean Pearl

NATURAL STONE COPINGS
MSI offers a full collection of copings, caps, and treads. The collection matches most paving options in travertine, granite, slate, quartzite, and limestone. They are available in an assortment of shapes, sizes, and colors. Due to the additional thickness of the material, it is perfect for steps, wall caps, column caps, and pool applications.
12X12
12X24
16X24
24X24
4X12
6X12
Sandstone Natural Stone Coping Shown in Fossil Rustic

Our natural stone treads add a touch of sophistication and warmth to your exterior design project. They’re available in a wide range of dimensions, including popular 12×96, all the way up 24×96, 27×72, and even 48×96, making it easy to find just the right one for your staircase or other outdoor application. They also coordinate beautifully with a variety of MSI pavers, slabs, stacked stones, tiles, and flagstones to ensure maximum design freedom and installation flexibility.
12×72
12×96
14×72
14×96
16×72
16×96
18×72
18×96
20×72
24×72
24×96
27×72
48×96
Tread Shown in Brown Wave

NATURAL STONE COPINGS
MSI offers a full collection of copings, caps, and treads. The collection matches most paving options in travertine, granite, slate, quartzite, and limestone. They are available in an assortment of shapes, sizes, and colors. Due to the additional thickness of the material, it is perfect for steps, wall caps, column caps, and pool applications.
12X12
12X24
16X24
24X24
4X12
6X12
Travertine Natural Stone Coping Shown in Silver Travertine
Address: 70 Comsewogue Rd SUITE 9 (end of the road)
Setauket-East Setauket, NY 11733
Phone: (631) 928-4665