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Private villa on Star Island clad in Dominican coquina limestone
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Private Residence

A Ventilated Facade in Dominican Coquina

Location
Star Island, Miami Beach
Material
Dominican Coquina Limestone
Scope
Exterior Cladding & Interior Stonework
Architect
Peter Marino Architect, PLLC
Stone Contractor
Fantini Mosaici

Introduction

A private residence on Star Island, designed by Peter Marino Architect, clad entirely in Dominican Coquina, a fossil limestone quarried in the Dominican Republic. A porous natural stone in a marine climate required a fully engineered approach: from block selection at the quarry to structural testing of the anchoring system, every phase was designed, documented and verified.

Detail of the Dominican coquina facade showing the fossil texture of the stone

Material Selection

The blocks were selected directly at the quarry, inspected for color consistency and structural soundness, then shipped to Italy for cutting and finishing into dimensioned facade panels.

Raw coquina blocks selected at the quarry
Raw coquina slab marked with dimensions at the quarry
Rough edge of a coquina slab showing the natural fossil cavities

Shop Drawings

The entire facade was drawn before fabrication. Shop drawings covered every elevation with plans, sections and construction details. From these came the laying drawings: over a thousand panels, each numbered and assigned an exact position on the facade, with the location of every anchor point. Each facade zone had its own cutting list.

Shop drawing of the south elevation with sections and construction details

Structural Testing and Certification

The stone and its anchoring system were tested by an independent certified laboratory and obtained the certifications required for the project, including ASTM C1354 for the strength of stone anchorages in dimension stone. Fabrication began only after approval of the test results.

Pre-Laying Inspection

Before shipping, the full facade was dry-laid on the ground at the workshop in Italy, with every panel in its final position, openings included. This allowed the team to verify color blending, joint alignment and correspondence with the laying drawings, resolving any issue before the panels crossed the ocean.

Aerial view of the full facade dry-laid on the ground in Italy
Dry layout detail with window openings
Close-up of the finished coquina panels laid out for inspection

Installation

The panels were installed as a ventilated facade: mechanical anchoring on adjustable stainless steel brackets fixed to the concrete structure, with an air cavity behind the cladding. The system requires no adhesives, allows the wall to drain and ventilate, and keeps every panel individually replaceable.

The concrete structure before cladding
Coquina cladding installation in progress
Detail of the adjustable mechanical anchoring system

The Finished Residence

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Interior Stonework

The scope extended inside the villa: the master bathroom lined in bookmatched green onyx, a media wall in vertical green stone and white stone cladding in the living spaces.

Master bathroom lined in bookmatched green onyx
Living-space media wall in vertical green stone with integrated TV niche
White stone clad interior wall
Double-height interior with stone surfaces

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