Skip main navigation
For sale
  • $5,500,000

    21 Barnacle Rd, Hilton Head Island, SC 29928

    4beds
    3,590sqft
    : 
    Loading
    Get pre-qualified
    Single Family Residence
    Built in 1966
    0.26 Acres Lot
    $-- Zestimate®
    $1,532/sqft
    $-- HOA

    What's special

    Private poolExpansive patioDirect beach accessLush tropical landscapingOceanfront residenceBreathtaking atlantic ocean viewsFour spacious bedrooms
    Oceanfront Luxury in a Private Gated Community on Hilton Head Island. Experience the ultimate in coastal living with this exceptional oceanfront residence, perfectly positioned within one of Hilton Head Island's most private gated communities. Offering breathtaking Atlantic Ocean views, direct beach access, and thoughtfully designed living spaces, this remarkable home is the perfect blend of elegance, comfort, and Lowcountry charm. Designed for both everyday living and effortless entertaining, the home features four spacious bedrooms, including two luxurious primary suites, five full bathrooms, and two separate living areas, providing exceptional flexibility for family and guests. The light-filled main living area showcases soaring vaulted ceilings, expansive windows, a fireplace, and walls of glass that frame spectacular ocean views. Enjoy relaxing on the upstairs deck allowing you to enjoy the sights and sounds of the Atlantic from nearly every angle. The generous primary suites offer private retreats complete with spa-inspired baths and tranquil coastal vistas. The first floor living area also offers a fireplace. Stroll outside to a private pool, expansive patio, lush tropical landscaping, and a private walk leading directly to one of Hilton Head Island's most pristine beaches create an unparalleled outdoor experience. Towering live oaks provide timeless Lowcountry character while preserving privacy and natural beauty. Whether you're seeking a luxurious primary residence, a second home, or an extraordinary oceanfront retreat, this exceptional property delivers the rare combination of privacy, sophistication, and direct beachfront living in one of Hilton Head Island's most coveted locations.
    1 day
    |
    539
    |
    15
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Laura Hobbs 843-338-0116,

    Hilton Head Real Estate Partners

    Source: REsides, Inc.,MLS#: 511537MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 5
      • Full bathrooms: 5
      Primary bedroom
      • Level: First
      Heating
      • Central
      Cooling
      • Central Air
      Appliances
      • Included: Dryer, Dishwasher, Disposal, Refrigerator, Self Cleaning Oven, Washer
      Features
      • Ceiling Fan(s), Cathedral Ceiling(s), Fireplace, High Ceilings, Main Level Primary, Multiple Closets, Pull Down Attic Stairs, Smooth Ceilings, Separate Shower, Cable TV, Upper Level Primary, Vaulted Ceiling(s), Entrance Foyer
      • Flooring: Engineered Hardwood, Stone, Tile
      • Windows: Tinted Windows, Screens
      Interior area
      • Total interior livable area: 3,590 sqft

      Property

      Parking
      • Total spaces: 1
      • Parking features: Garage, One Car Garage
      • Garage spaces: 1
      Features
      • Stories: 2
      • Patio & porch: Deck, Patio
      • Exterior features: Deck, Patio
      • Has private pool: Yes
      • Pool features: Private, Community
      • Has view: Yes
      • View description: Ocean
      • Has water view: Yes
      • Water view: Ocean
      Lot
      • Size: 0.26 Acres
      • Features: 1/4 to 1/2 Acre Lot
      Details
      • Parcel number: R51000900000980000
      • Special conditions: None

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Two Story
      • Property subtype: Single Family Residence
      Materials
      • Synthetic Stucco
      • Roof: Asphalt
      Condition
      • Year built: 1966
      Details
      • Builder model: Custom

      Utilities & green energy

      • Water: Public

      Community & HOA

      Community
      • Security: Security System
      • Subdivision: Grasslawn D
      HOA
      • Amenities included: Beach Rights, Beach Access, Clubhouse, Playground, Pickleball, Pool, Guard, Tennis Court(s), Trail(s)
      Location
      • Region: Hilton Head Island

      Financial & listing details

      • Price per square foot: $1,532/sqft
      • Tax assessed value: $2,908,900
      • Annual tax amount: $28,768
      • Date on market: 7/20/2026
      • Listing terms: Cash,Conventional

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        7/20/2026Listed for sale$5,500,000$1,532/sqft
        Source: REsides, Inc. #511537 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$28,768 +0.1%$115,620
        2023$28,746 +10.1%$115,620 +15%
        2022$26,109 -0.3%$100,540
        2021$26,198 $100,540
        2020-- $100,540
        2019$24,900 +5.2%$100,540
        2018$23,669 +31.3%$100,540 +15%
        2017$18,028 $87,430
        2016$18,028 $87,430
        2015$18,028 $87,430
        2014$18,028 $87,430
        2013$18,028 $87,430
        2010$18,028 +2.4%--
        2009$17,614 +2.6%--
        2008$17,169 +11.4%$79,236 +6.9%
        2007$15,407 +16.3%$74,124
        2005$13,251 -25.7%$74,124 -26.7%
        2004$17,823 +58%$101,126 +120.4%
        2003$11,284 $45,883
        2001-- --
        2000-- $764,720
        Find assessor info on the county website

        Monthly payment

        Est. payment

        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.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: Port Royal

        Getting around

        20 / 100
        Car-Dependent
        43 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

        A local agent can set up tours, give advice and negotiate with sellers.

        Browse local experts

        Similar homes