Robertson Allen, The Cassina Group

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Robertson Allen, The Cassina Group Robertson graduated from Clemson University and has worked in the Charleston real estate market since 2002.

In 2006, Robertson formed The Cassina Group with his business partner, and the company consistently ranks as the #1 boutique firm in Charleston.

Single-level living, completely reinvented — 3 Rebellion Road in South Windermere.Fully renovated in 2024, this four-bed...
10/07/2026

Single-level living, completely reinvented — 3 Rebellion Road in South Windermere.

Fully renovated in 2024, this four-bedroom home was taken down to the studs and rebuilt with a new roof, HVAC, rewiring, and Marvin windows throughout. Inside, hardwood floors and multiple living spaces carry custom built-ins, an arched steel-and-glass door, and a kitchen with walnut countertops and a marble-topped island. A screened porch opens to a fully turfed backyard with a putting green and mature landscaping.

Contact me at 843.442.6534 to schedule a private showing.

10/06/2026

118 & 120 South Battery. A rare double lot in the heart of South of Broad.

Built in 1934, this Colonial residence offers four bedrooms, seven and a half baths, and views toward the harbor. The main level opens through high ceilings and wood floors into a formal living room with a fireplace, a family room, and a kitchen built for everyday ease. Multiple piazzas extend the living space outdoors.

Upstairs, the primary suite has its own fireplace and walk-in closet, with three additional en-suite bedrooms and a flexible bonus room on the third floor. The renovated ground level adds a private guest suite with its own kitchen, shiplap and exposed brick, and direct access to the courtyard and pool.

A detached two-car garage with a full bath and finished space above rounds out the property, set among mature, private landscaping.

Contact me at 843.442.6534 to schedule a private showing.

28 Murray Boulevard offers water views, remarkable privacy, and beautifully landscaped gardens along the Battery. Betwee...
10/02/2026

28 Murray Boulevard offers water views, remarkable privacy, and beautifully landscaped gardens along the Battery. Between the private pool, the porches, and the brick exterior, the home is set up for time outside, whether that’s entertaining or a quiet afternoon in the garden.

Contact me for more details or to schedule a private showing.

10/01/2026

A walk through 106 South Battery, a beautifully preserved home on a corner lot overlooking Charleston Harbor. Four bedrooms, a renovated kitchen, a screened porch, and a three-car garage in the heart of South of Broad.

Contact me for more details: 843.442.6534

A look into the details of 21 East Battery.Original moldings and pocket doors on the main level, intricate millwork upst...
09/30/2026

A look into the details of 21 East Battery.

Original moldings and pocket doors on the main level, intricate millwork upstairs, trim work that shifts subtly floor to floor. Original fireplaces and twelve-foot ceilings continue that same craftsmanship into the upstairs parlors and library.

Contact me at 843.442.6534

09/29/2026

312 River Oak Drive, Mount Pleasant.

A creekfront home built for the outdoors, with an infinity-edge pool, fireside seating at the water, and a covered porch overlooking the marsh. Minutes from Charleston, the beaches, and everything in between.

Contact me at 843.442.6534 for more details.

1412 Poe Avenue sits moments from the beach on Sullivan’s Island, on a generous street-to-street lot built for daily liv...
09/24/2026

1412 Poe Avenue sits moments from the beach on Sullivan’s Island, on a generous street-to-street lot built for daily living and entertaining. Soaring ceilings, exposed wood beams, and brick columns run through the main level, opening into a kitchen with marble counters, a butcher block island, and a walk-in pantry. Upstairs, the primary suite has its own porch with ocean views, and a spiral staircase leads to a rooftop deck overlooking the Atlantic and Fort Moultrie. A 45-foot pool and covered outdoor living space finish out the backyard.

Reach out at 843.442.6534 to schedule a private showing.

309 Palm Boulevard is a private waterfront estate on Isle of Palms, set along Hamlin Creek with direct access to the Int...
09/23/2026

309 Palm Boulevard is a private waterfront estate on Isle of Palms, set along Hamlin Creek with direct access to the Intracoastal.

The home is built for real living, an elevator between floors, a great room with a wood-burning fireplace and custom built-ins, soaring ceilings, and slate and beamed detailing throughout. Two guest bedrooms each have their own en suite bath, and a separate home office with a half bath gives you a quiet space to work.

Outside, the private dock includes fish-cleaning facilities and easy access for boating and fishing right from your backyard. The 4,307-square-foot garage is climate controlled with mini-split systems, plenty of room for vehicles, boats, and storage.

Plantation shutters, a built-in sound system, and full security features round out a home designed down to the last detail.

Contact me to schedule a tour: 843.442.6534

674 Olde Salt Run sits on deepwater in The Reserve at Olde Park, one of Mount Pleasant’s most private communities. Built...
09/18/2026

674 Olde Salt Run sits on deepwater in The Reserve at Olde Park, one of Mount Pleasant’s most private communities. Built in 2012 and comprehensively renovated in 2023, the home takes full advantage of its setting along Hobcaw Creek.

At approximately 8,800 square feet, it offers five bedrooms and six and a half baths, plus an additional half bath in the pool house. Inside, soaring ceilings, exposed cypress beams, floor-to-ceiling windows, a walnut-paneled library, and dedicated theater create a refined yet comfortable interior.

Outside, the 2023 renovation brought a resurfaced pool, refreshed decks and porches, and a pool house with a sauna. The private deepwater dock features a covered pierhead, 12,000-pound boat lift, and 40-foot floating dock.

Exclusively listed by Robertson Allen and Charles McIntosh.

Address

Mount Pleasant, SC
29464-29466

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