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Harbor Island, SC - homes for sale
59 of 59 results displayed
- New
$89,000Active0.1 Acres121 Harbour Key Drive, St. Helena Island, SC 29920
MLS# 197594Listed by: RE/MAX DREAM
- New
$589,000Active3 beds 2 baths1,200 sq. ft.121 Harbour Key Drive, St. Helena Island, SC 29920
MLS# 197601Listed by: RE/MAX DREAM - New
$669,000Active3 beds 3 baths1,696 sq. ft.119 Harbour Key Drive, St. Helena Island, SC 29920
MLS# 196762Listed by: COASTAL REAL ESTATE SOLUTIONS - New
$748,000Active3 beds 2 baths1,626 sq. ft.16 Lakeview Lane, St Helena Island, SC 29920
MLS# 511906Listed by: THE HOMESFINDER REALTY GROUP 
$239,000Active0.15 Acres12 Windjammer Court, Harbor Island, SC 29920
MLS# 197261Listed by: GRECO GROUP BROKERED BY EXP
$325,000Active1 beds 2 baths794 sq. ft.6 Cedar Reef Drive #C102, St Helena Island, SC 29920
MLS# 511408Listed by: KELLER WILLIAMS
$995,000Active4 beds 4 baths2,693 sq. ft.4 Teal Court, Saint Helena Island, SC 29920
MLS# 26021024Listed by: EXP REALTY LLC
$219,999Active1 beds 2 baths690 sq. ft.2 N Harbor Drive #L301, St. Helena Island, SC 29920
MLS# 197409Listed by: GRECO GROUP BROKERED BY EXP
$325,000Active1 beds 2 baths794 sq. ft.6 Cedar Reef Drive #C102, St. Helena Island, SC 29920
MLS# 197104Listed by: KELLER WILLIAMS
$239,000Active0.15 Acres12 Windjammer Court, Saint Helena Island, SC 29920
MLS# 26019860Listed by: GRECO GROUP BROKERED BY EXP REALTY
$725,000Active3 beds 3 baths1,400 sq. ft.6 W Marsh Drive, St. Helena Island, SC 29920
MLS# 192467Listed by: THE HOMESFINDER REALTY GROUP
$699,000Active4 beds 2 baths2,122 sq. ft.9 Ebb Tide Court, Harbor Island, SC 29920
MLS# 197187Listed by: GRECO GROUP BROKERED BY EXP
$599,000Active3 beds 3 baths1,337 sq. ft.22 Ocean Marsh Lane, St. Helena Island, SC 29920
MLS# 197124Listed by: GRECO GROUP BROKERED BY EXP
$439,000Active2 beds 3 baths1,080 sq. ft.2 Cedar Reef Drive #A201, Harbor Island, SC 29920
MLS# 197075Listed by: BHHS BAY STREET REALTY
$160,000Active0.18 Acres10 Scallop Court, Harbor Island, SC 29920
MLS# 197032Listed by: PALMETTO MOON REALTY, LLC
$245,000Active1 beds 1 baths690 sq. ft.2 Harbor Drive N #L112, St. Helena Island, SC 29920
MLS# 196989Listed by: BHHS BAY STREET REALTY
$1,140,000Active3 beds 4 baths2,037 sq. ft.5 Tradewind Lane, St. Helena Island, SC 29920
MLS# 196954Listed by: RE/MAX ISLAND REALTY INC.
$1,125,000Pending3 beds 3 baths1,540 sq. ft.64 Harbor Drive N, Harbor Island, SC 29920
MLS# 196580Listed by: THE HOMESFINDER REALTY GROUP
$261,899Pending1 beds 2 baths714 sq. ft.2 Harbor Island Drive #L305, St. Helena Island, SC 29920
MLS# 196660Listed by: RE/MAX ISLAND REALTY INC.
$329,000Active1 beds 2 baths794 sq. ft.3 Cedar Reef Drive #E106, St Helena Island, SC 29920
MLS# 509803Listed by: RE/MAX ISLAND REALTY
$329,000Active1 beds 2 baths806 sq. ft.3 Cedar Reef Drive #E106, Harbor Island, SC 29920
MLS# 196583Listed by: RE/MAX ISLAND REALTY INC.
$329,000Active1 beds 2 baths794 sq. ft.6 Cedar Reef Drive #C101, St. Helena Island, SC 29920
MLS# 196579Listed by: RE/MAX ISLAND REALTY INC.
$75,000Active0.29 Acres10 Ocean Marsh Court, Fripp Island, SC 29920
MLS# 196568Listed by: KELLER WILLIAMS
$379,000Active2 beds 3 baths1,069 sq. ft.4 Cedar Reef Drive #B203, St. Helena Island, SC 29920
MLS# 196552Listed by: BHHS BAY STREET REALTY
$1,250,000Active5 beds 4 baths3,044 sq. ft.6 Teal Court, St. Helena Island, SC 29920
MLS# 196371Listed by: LOWCOUNTRY REAL ESTATE
$370,000Active2 beds 3 baths1,080 sq. ft.3 Cedar Reef Drive #E-211, Harbor Island, SC 29920
MLS# 196299Listed by: BHHS BAY STREET REALTY
$78,000Active0.35 Acres74 Ocean Marsh Lane, Saint Helena Island, SC 29920
MLS# 26013005Listed by: KELLER WILLIAMS
$979,000Pending4 beds 3 baths2,254 sq. ft.11 Windjammer Lane, Harbor Island, SC 29920
MLS# 196111Listed by: BHHS BAY STREET REALTY
$355,000Active2 beds 3 baths1,080 sq. ft.1 Cedar Reef Drive #F206, Harbor Island, SC 29920
MLS# 195345Listed by: KELLER WILLIAMS
$114,750Active0.12 Acres8 Mickeys Alley, Fripp Island, SC 29920
MLS# 195935Listed by: TIDELAND REALTY INC
$1,450,000Active5 beds 3 baths2,516 sq. ft.170 Harbor Drive N, Harbor Island, SC 29920
MLS# 195862Listed by: BEAUFORT REALTY CONSULTANTS
$75,000Active0.25 Acres15 Lakeview Lane, Harbor Island, SC 29920
MLS# 195850Listed by: BHHS BAY STREET REALTY
$609,000Active2 beds 2 baths1,238 sq. ft.86 Harbour Key Drive, Harbor Island, SC 29920
MLS# 195849Listed by: BHHS BAY STREET REALTY
$78,000Active0.35 Acres74 Ocean Marsh Lane, Harbor Island, SC 29920
MLS# 195839Listed by: KELLER WILLIAMS
$384,900Pending2 beds 3 baths1,080 sq. ft.4 Harbor Drive N #K201, St. Helena Island, SC 29920
MLS# 195639Listed by: RE/MAX ISLAND REALTY INC.
$280,000Active1 beds 2 baths794 sq. ft.3 Cedar Reef Drive #E102, St Helena Island, SC 29920
MLS# 506913Listed by: KELLER WILLIAMS
$799,000Active0.21 Acres164 Harbor Drive N, Harbor Island, SC 29920
MLS# 195560Listed by: MAXEY BLACKSTREAM CHRISTIE'S
$65,000Active0.23 Acres26 Lakeview Lane, St. Helena Island, SC 29920
MLS# 195073Listed by: BHHS BAY STREET REALTY
$275,000Active2 beds 3 baths1,080 sq. ft.1 Cedar Reef Drive #F204, St Helena Island, SC 29920
MLS# 505373Listed by: KELLER WILLIAMS
$275,000Active1 beds 2 baths794 sq. ft.3 Cedar Reef Drive #E105, Harbor Island, SC 29920
MLS# 194737Listed by: LOWCOUNTRY REAL ESTATE
$44,900Active0.11 Acres8 Key West Drive, Harbor Island, SC 29920
MLS# 194465Listed by: PALMETTO MOON REALTY, LLC
$1,050,000Active3 beds 3 baths2,493 sq. ft.86 Harbor Drive N, Harbor Island, SC 29920
MLS# 193557Listed by: GRECO GROUP BROKERED BY EXP
$849,000Pending4 beds 3 baths1,872 sq. ft.108 Harbor Drive N, Harbor Island, SC 29920
MLS# 193593Listed by: GRECO GROUP BROKERED BY EXP
$404,900Active2 beds 3 baths1,080 sq. ft.2 Cedar Reef Drive #A207, St. Helena Island, SC 29920
MLS# 194025Listed by: RE/MAX ISLAND REALTY INC.
$349,000Active0.23 Acres128 N Harbor Drive N, Harbor Island, SC 29920
MLS# 193360Listed by: BHHS BAY STREET REALTY
$255,000Active1 beds 2 baths714 sq. ft.2 Harbor Drive #L205, St. Helena Island, SC 29920
MLS# 193292Listed by: KELLER WILLIAMS
$373,500Pending2 beds 3 baths1,069 sq. ft.5 Cedar Reef Drive #D206, St. Helena Island, SC 29920
MLS# 192113Listed by: GRECO GROUP BROKERED BY EXP
$52,900Pending0.25 Acres21 Lakeview Lane, Harbor Island, SC 29920
MLS# 191806Listed by: BHHS BAY STREET REALTY
$1,100,000Active4 beds 3 baths2,492 sq. ft.2 Ebb Tide Court, St Helena Island, SC 29920
MLS# 504235Listed by: MAXEY BLACKSTREAM CHRISTIE'S INTERNATIONAL REAL ESTATE
$399,000Pending2 beds 3 baths1,069 sq. ft.5 Cedar Reef Drive #D213, Harbor Island, SC 29920
MLS# 191512Listed by: BEAUFORT REALTY CONSULTANTS
$748,000Active3 beds 3 baths1,626 sq. ft.16 Lakeview Lane, Harbor Island, SC 29920
MLS# 191367Listed by: THE HOMESFINDER REALTY GROUP
$250,000Active1 beds 2 baths806 sq. ft.3 Cedar Reef Drive #E-108, Harbor Island, SC 29920
MLS# 190351Listed by: EXP REALTY LLC - BLUFFTON
$375,000Active2 beds 3 baths1,080 sq. ft.4 Cedar Reef Drive #B202, St. Helena Island, SC 29920
MLS# 194851Listed by: KELLER WILLIAMS
$375,000Active2 beds 3 baths1,080 sq. ft.4 Cedar Reef Drive #B202, St Helena Island, SC 29920
MLS# 505094Listed by: KELLER WILLIAMS
$339,500Active1 beds 2 baths794 sq. ft.2 Cedar Reef Drive #F101, St Helena Island, SC 29920
MLS# 450699Listed by: RE/MAX ISLAND REALTY
$339,500Active1 beds 2 baths794 sq. ft.1 Cedar Reef Drive #F101, Harbor Island, SC 29920
MLS# 188887Listed by: RE/MAX ISLAND REALTY INC.
$61,000Active0.22 Acres16 Lakeview Lane, Harbor Island, SC 29920
MLS# 188748Listed by: THE HOMESFINDER REALTY GROUP
$49,900Active0.29 Acres34 Lakeview Lane, Harbor Island, SC 29920
MLS# 188352Listed by: BHHS BAY STREET REALTY
$1,100,000Active4 beds 3 baths2,492 sq. ft.2 Ebb Tide Court, Harbor Island, SC 29920
MLS# 194336Listed by: MAXEY BLACKSTREAM CHRISTIE'S
Local realty services provided by:CENTURY 21 Carolina Realty, Inc., CENTURY 21 A Low Country Realty, CENTURY 21 Signature Realty
The information being provided by Lowcountry Regional MLS is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. ©2026 Lowcountry Regional MLS. All rights reserved.
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©2026 Century 21 Real Estate LLC. All rights reserved. CENTURY 21®, the CENTURY 21 Logo and C21® are service marks owned by Century 21 Real Estate LLC. Century 21 Real Estate LLC fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each office is independently owned and operated. Listing information is deemed reliable but not guaranteed accurate.
Protect your home and budget from life's surprises with an Assurant Home Warranty, backed by a partner that supports you through every step of homeownership. Explore Plans.
©2026 Century 21 Real Estate LLC. All rights reserved. CENTURY 21®, the CENTURY 21 Logo and C21® are service marks owned by Century 21 Real Estate LLC. Century 21 Real Estate LLC fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each office is independently owned and operated. Listing information is deemed reliable but not guaranteed accurate.