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Miami Stone Veneer Specialists
Stone Supply Miami Stone Veneer Specialists
Riven slate stone cladding on a coastal South Florida exterior wall

Stone Appearance

Coastal & Shell Stone

Pale, shell-flecked faces specified for waterfront exposure — where salt drives the whole decision.

Within a mile of the water, salt decides everything. Miami Stone Veneer Specialists groups these four faces together because they're what we actually specify for waterfront elevations in Miami Beach, Key Biscayne, and along the Fort Lauderdale intracoastal.

What salt actually does

It isn't dramatic. Nobody's wall falls off. What happens is slower and more annoying: airborne salt lands on the face, works into any open pore, and crystallises. Over years that crystallisation flakes the surface — efflorescence if it's coming from behind, spalling if it's coming from in front.

It also leaves a permanent pale haze. On Beach Stone or Oyster Stone you'll never notice, because they're already pale and flecked. On a charcoal slate or a dark rustic face, that haze shows up within weeks of a wash and looks like the wall is dirty when it isn't.

So the coastal specification is partly about durability and mostly about picking a colour that ages gracefully in an environment that will haze it.

The four faces

Beach Stone is the flagship — pale, shell-toned, three formats up to 23⅝ inches. It's the closest thing we press to real Florida keystone. Oyster Stone is the small square version with a fine shell fleck. Stone Chips is a narrow chip format that reads as fine mosaic at distance and works beautifully on a feature panel.

Classic Slate is the outlier: cool grey-blue, riven texture, two formats. It's here because it belongs tonally, not because it's the best oceanfront choice. Use it a few blocks back from the water.

Cost

$11 to $18 per square foot. Budget properly for sealer — on a waterfront job it isn't optional, and the reseal cycle is shorter than inland. That's a real lifetime cost worth knowing before you commit.

Coastal Stone — formats and sizes

Four faces. The three pale ones are the waterfront specification; Classic Slate is here for its texture.

Beach Stone coastal stone texture — supplied in Miami, FL

Beach Stone

Pale shell-toned face — the closest match to Florida keystone.

Face sizes
  • 23 5⁄8" × 11 13⁄16"
  • 15 3⁄4" × 11 13⁄16"
  • 11 13⁄16" × 11 13⁄16"
Oyster Stone coastal stone texture — supplied in Miami, FL

Oyster Stone

Small square with a fine shell-fleck texture.

Face sizes
  • 5 7⁄8" × 5 7⁄8"
Stone Chips coastal stone texture — supplied in Miami, FL

Stone Chips

Narrow chip format that reads as a fine mosaic from a distance.

Face sizes
  • 3 15⁄16" × 1 15⁄16"
Classic Slate coastal stone texture — supplied in Miami, FL

Classic Slate

Riven slate face in two formats, cool grey-blue tones.

Face sizes
  • 13 3⁄8" × 7 7⁄8"
  • 11 13⁄16" × 7 7⁄8"

Technical specification

Compressive strength 200–250 kg/cm²
Body Grey and white cement, standard and premium grades
Colour Stock colourways plus custom colour matching
Finish Through-coloured, sealed on request
Suitable substrates CMU, poured concrete, brick, stucco, and framed walls over lath
Fire Non-combustible concrete body
Exposure Interior and exterior, above and below grade
Coastal use Rated for salt-air exposure with a penetrating sealer
Salt exposure Rated for direct coastal exposure with a penetrating sealer
Reseal interval 4–5 years within a mile of open water

Full spec sheets and dimensioned drawings are available for submittals — ask and they'll be emailed the same day.

Common questions

Is Beach Stone a substitute for Florida keystone? +

It's the closest concrete match we stock — same pale, shell-flecked read at normal viewing distance. It isn't keystone. Keystone is fossilised coral quarried in the Keys, and if a historic district or an architect's spec calls for it by name, you need the real thing. We source that too.

Why does this range suit waterfront better? +

Two reasons. The pale colours don't show salt bloom the way dark stone does — every stone near the ocean gets a faint white haze, and on charcoal slate it's obvious within weeks. And the tighter, less porous faces give salt less to sit in.

How often does a waterfront wall need resealing? +

Every four to five years within a mile of open water, versus seven or eight inland. Salt is relentless. Skipping it doesn't destroy the stone, but the face dulls and starts holding dirt.

Classic Slate is dark — doesn't that contradict the above? +

It does, a bit. Classic Slate is in this range for its riven texture and cool tone rather than its salt performance. On an oceanfront elevation we'd steer you to Beach Stone or Oyster Stone. A block or two inland, slate is fine and looks superb.

Need a price on coastal stone?

Send your square footage and we'll come back with a number, a stock position, and a delivery date for Miami.