Set on a rare double lot in I'On with sweeping marshfront views, this 5,300+ square foot, 5 bedroom 5 1/2 bath home combines contemporary design with classic Lowcountry architecture. With soaring ceilings, refined finishes, and an easy connection between indoor and outdoor living, this gorgeous home offers both sophistication and comfort in one of Mount Pleasant's most sought-after neighborhoods.The main level showcases an open floor plan designed for entertaining, with expansive windows that fill the home with natural light. A gourmet kitchen anchors the space, featuring custom cabinetry, a generous island, high-end appliances, and a walk-in pantry. Formal and casual dining areas provide flexibility for both gatherings and everyday living. Multiple living spaces including a family room, game room, study, and a FROG offer plenty of room to spread out, while the seamless flow to the wrap-around porches, bluestone patio, and covered outdoor areas invite year-round enjoyment. The private marshfront setting, enhanced by lawn irrigation and meticulous landscaping, makes outdoor living as effortless as it is beautiful. Upstairs, the primary suite serves as a true retreat, complete with panoramic marsh views, vaulted ceilings, a spa-like bath, and walk-in closet. Two additional bedrooms each with its own private bath ensure comfort and privacy for family and guests. There is also a large FROG with an adjoining full bath. Additional features include wide-plank wood flooring, central vacuum, smooth 9'+ ceilings, a metal roof, and a two-car attached garage with ample storage. Designed with both elegance and practicality in mind, this extraordinary home blends timeless craftsmanship with modern luxury. The seamless flow to the wrap-around porches, bluestone patio, and covered outdoor areas invite year-round enjoyment. The private marsh front setting, enhanced by lawn irrigation and meticulous landscaping, and large parking area makes outdoor living as effortless as it is beautiful. One of the few homes in the Low Country that has a stunning walk out lower level, perfect for a 5th bedroom or game room with another full bathroom. This beautiful lower level has a walk out enclosed patio (with a workshop) looking out to the sprawling lot and amazing views, this home is truly a rare find!
Active
Price cut: $400K (6/12)
$3,999,900
23 Robert Mills Cir, Mount Pleasant, SC 29464
5beds
5,358sqft
Single Family Residence
Built in 2008
0.31 Acres Lot
$459,900 Zestimate®
$747/sqft
$-- HOA
What's special
Wrap-around porchesPanoramic marsh viewsRefined finishesLower levelMetal roofTimeless craftsmanshipGenerous island
- 320 days |
- 566 |
- 9 |
Zillow last checked:
Listing updated:
Listed by:
The Boulevard Company
Source: CTMLS,MLS#: 25022996
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Rooms
- Room types: Family Room, Office, Dining Room, Utility Room, Family, Foyer, Frog Attached, Laundry, Separate Dining, Utility
Heating
- Heat Pump
Cooling
- Central Air
Appliances
- Laundry: Washer Hookup, Laundry Room
Features
- Ceiling - Smooth, High Ceilings, Kitchen Island, Walk-In Closet(s), Central Vacuum, Entrance Foyer, Frog Attached
- Flooring: Ceramic Tile, Stone, Wood
- Windows: Window Treatments
- Has basement: Yes
- Number of fireplaces: 2
- Fireplace features: Family Room, Gas Log, Two, Wood Burning
Interior area
- Total structure area: 5,358
- Total interior livable area: 5,358 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Garage, Attached
- Attached garage spaces: 2
Features
- Levels: Multi/Split
- Stories: 3
- Patio & porch: Patio, Covered, Front Porch
- Exterior features: Garden, Lawn Irrigation, Rain Gutters
- Fencing: Privacy
- On waterfront: Yes
- Waterfront features: Marshfront, Stream
Lot
- Size: 0.31 Acres
Details
- Additional structures: Storage, Workshop
- Parcel number: 5350600778
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary,Traditional
- Property subtype: Single Family Residence
Materials
- Wood Siding
- Roof: Metal
Condition
- New construction: No
- Year built: 2008
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Dominion Energy, Mt. P. W/S Comm
Community & HOA
Community
- Features: Boat Ramp, Clubhouse, Club Membership Available, Dock Facilities, Dog Park, Fitness Center, Park, Pool, Tennis Court(s), Trash, Walk/Jog Trails
- Security: Security System
- Subdivision: Ion
Location
- Region: Mount Pleasant
Financial & listing details
- Price per square foot: $747/sqft
- Tax assessed value: $2,783,600
- Annual tax amount: $7,230
- Date on market: 8/22/2025
- Listing terms: Any,Cash,Conventional
Estimated market value
$459,900
$437,000 - $483,000
$6,574/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/12/2026 | Price change | $3,999,900-9.1%$747/sqft |
Source: | ||
| 5/21/2026 | Price change | $4,399,900-2.2%$821/sqft |
Source: | ||
| 10/30/2025 | Price change | $4,499,900-5.3%$840/sqft |
Source: | ||
| 8/22/2025 | Listed for sale | $4,750,000+289.3%$887/sqft |
Source: | ||
| 4/27/2011 | Sold | $1,220,000-6.2%$228/sqft |
Source: Public Record Report a problem | ||
| 1/16/2011 | Listing removed | $1,300,000$243/sqft |
Source: William Means Real Estate #2908367 Report a problem | ||
| 12/31/2010 | Price change | $1,300,000-18%$243/sqft |
Source: William Means Real Estate #2908367 Report a problem | ||
| 6/24/2010 | Listed for sale | $1,585,000+426.9%$296/sqft |
Source: William Means Real Estate #2908367 Report a problem | ||
| 9/6/2005 | Sold | $300,800$56/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $7,230 +13.1% | $78,910 +15% |
| 2024 | $6,389 +4.5% | $68,620 |
| 2023 | $6,112 +2.2% | $68,620 |
| 2022 | $5,983 -9.6% | $68,620 |
| 2021 | $6,617 -3.1% | $68,620 |
| 2020 | $6,825 | $68,620 -2% |
| 2019 | $6,825 | $70,000 |
| 2017 | $6,825 +0.4% | $70,000 |
| 2016 | $6,795 +5.4% | $70,000 |
| 2015 | $6,445 -4.7% | $70,000 |
| 2014 | $6,760 | -- |
| 2011 | $6,760 -51.6% | -- |
| 2010 | $13,981 -0.2% | $68,640 |
| 2009 | $14,006 +628.3% | $68,640 +597.6% |
| 2008 | $1,923 +11.7% | $9,840 |
| 2006 | $1,721 | $9,840 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 29464
Nearby schools
GreatSchools rating
- 7/10James B. Edwards Elementary SchoolGrades: PK-5Distance: 1.7 mi
- 9/10Moultrie Middle SchoolGrades: 6-8Distance: 2.2 mi
- 9/10Lucy Garrett Beckham HighGrades: 9-12Distance: 2.2 mi
Schools provided by the listing agent
- Elementary: James B Edwards
- Middle: Moultrie
- High: Lucy Beckham
Source: CTMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
A local lender can help you make sure your offer is ready when you are.
- South Carolina
- Charleston County
- Mount Pleasant
- 29464
- 23 Robert Mills Cir







