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Harbor Island, SC - homes for sale
55 of 55 results displayed
- New
$825,000Active4 beds 3 baths1,736 sq. ft.2 Nautical Watch Way, Harbor Island, SC 29920
MLS# 195133Listed by: CENTURY 21 COASTAL TOWN REALTY
- New
$65,000Active0.23 Acres26 Lakeview Lane, St. Helena Island, SC 29920
MLS# 195073Listed by: BHHS BAY STREET REALTY - New
$679,000Active3 beds 2 baths1,517 sq. ft.9 Nautical Watch Way, Saint Helena Island, SC 29920
MLS# 26006435Listed by: GRECO GROUP BROKERED BY EXP REALTY 
$85,000Active0.09 Acres47 Nautical Watch Way, St. Helena Island, SC 29920
MLS# 194927Listed by: EXP REALTY LLC - BLUFFTON
$289,000Active2 beds 3 baths1,080 sq. ft.1 Cedar Reef Drive #F204, St Helena Island, SC 29920
MLS# 505373Listed by: KELLER WILLIAMS (722)
$299,000Active1 beds 2 baths794 sq. ft.3 Cedar Reef Drive #E105, Harbor Island, SC 29920
MLS# 194737Listed by: LOWCOUNTRY REAL ESTATE
$46,900Active0.11 Acres8 Key West Drive, Harbor Island, SC 29920
MLS# 194465Listed by: PALMETTO MOON REALTY, LLC
$314,900Active1 beds 2 baths794 sq. ft.4 Cedar Reef Drive #B101, St Helena Island, SC 29920
MLS# 504244Listed by: RE/MAX ISLAND REALTY (521)
$314,900Active1 beds 2 baths806 sq. ft.4 Cedar Reef Drive #B101, Harbor Island, SC 29920
MLS# 194359Listed by: RE/MAX ISLAND REALTY INC.
$1,195,000Active4 beds 4 baths2,352 sq. ft.18 Sand Dollar Court, Saint Helena Island, SC 29920
MLS# 26002194Listed by: GRECO GROUP BROKERED BY EXP RE
$1,195,000Pending4 beds 4 baths2,700 sq. ft.18 Sand Dollar Court, Harbor Island, SC 29920
MLS# 194294Listed by: GRECO GROUP BROKERED BY EXP
$710,000Active3 beds 3 baths1,798 sq. ft.35 Lakeview Lane, Harbor Island, SC 29920
MLS# 194215Listed by: BHHS BAY STREET REALTY
$1,100,000Active3 beds 3 baths2,493 sq. ft.86 Harbor Drive N, Harbor Island, SC 29920
MLS# 193557Listed by: GRECO GROUP BROKERED BY EXP
$335,000Pending1 beds 2 baths794 sq. ft.3 Cedar Reef #E101, Harbor Island, SC 29920
MLS# 194042Listed by: KELLER WILLIAMS
$849,000Pending4 beds 3 baths1,872 sq. ft.108 Harbor Drive N, Harbor Island, SC 29920
MLS# 193593Listed by: GRECO GROUP BROKERED BY EXP
$409,000Active2 beds 3 baths1,080 sq. ft.2 Cedar Reef Drive #A207, St. Helena Island, SC 29920
MLS# 194025Listed by: RE/MAX ISLAND REALTY INC.
$64,000Active0.17 Acres7 Ocean Marsh Lane, St. Helena Island, SC 29920
MLS# 193954Listed by: EXP REALTY LLC - BLUFFTON
$254,900Active1 beds 2 baths690 sq. ft.2 Harbor Drive N #L201, St. Helena Island, SC 29920
MLS# 193712Listed by: RE/MAX ISLAND REALTY INC.
$799,000Pending6 beds 5 baths3,200 sq. ft.12 Sand Dollar Court, Harbor Island, SC 29920
MLS# 193711Listed by: PALMETTO MOON REALTY, LLC
$399,000Active0.23 Acres128 N Harbor Drive N, Harbor Island, SC 29920
MLS# 193360Listed by: BHHS BAY STREET REALTY
$286,500Active1 beds 2 baths806 sq. ft.6 Cedar Reef Drive #C103, St. Helena Island, SC 29920
MLS# 193177Listed by: EXP REALTY LLC - BLUFFTON
$458,800Active2 beds 3 baths1,080 sq. ft.4 Harbor Drive #K208, Saint Helena Island, SC 29920
MLS# 25029812Listed by: GRECO GROUP BROKERED BY EXP REALTY
$255,000Active1 beds 2 baths714 sq. ft.2 Harbor Drive #L205, St. Helena Island, SC 29920
MLS# 193292Listed by: KELLER WILLIAMS
$94,900Active0.1 Acres121 Harbour Key Drive, St. Helena Island, SC 29920
MLS# 193253Listed by: RE/MAX DREAM
$454,900Active2 beds 3 baths1,080 sq. ft.4 Harbor Drive N #K209, St. Helena Island, SC 29920
MLS# 193199Listed by: RE/MAX ISLAND REALTY INC.
$999,000Pending4 beds 5 baths3,370 sq. ft.45 Ocean Marsh Lane, St Helena Island, SC 29920
MLS# 501885Listed by: EXP REALTY LLC (938)
$235,000Active1 beds 2 baths714 sq. ft.2 Harbor Drive N #L111, Harbor Island, SC 29920
MLS# 192719Listed by: LOWCOUNTRY REAL ESTATE
$458,800Active2 beds 3 baths1,080 sq. ft.4 Harbor Drive N #K208, Harbor Island, SC 29920
MLS# 192385Listed by: GRECO GROUP BROKERED BY EXP
$725,000Active3 beds 3 baths1,400 sq. ft.6 W Marsh Drive, Harbor Island, SC 29920
MLS# 192467Listed by: THE HOMESFINDER REALTY GROUP
$375,000Active2 beds 3 baths1,069 sq. ft.5 Cedar Reef Drive #D206, St. Helena Island, SC 29920
MLS# 192113Listed by: GRECO GROUP BROKERED BY EXP
$849,000Active4 beds 3 baths2,022 sq. ft.11 Nautical Watch Way, St. Helena Island, SC 29920
MLS# 192005Listed by: THE HOMESFINDER REALTY GROUP
$52,900Active0.25 Acres21 Lakeview Lane, Harbor Island, SC 29920
MLS# 191806Listed by: BHHS BAY STREET REALTY
$1,750,000Active3 beds 3 baths2,638 sq. ft.158 Harbor Drive N, Harbor Island, SC 29920
MLS# 191796Listed by: CHARLES STREET REALTY, LLC
$398,000Active2 beds 2 baths1,150 sq. ft.6 N Harbor Drive #M116, Harbor Island, SC 29920
MLS# 191686Listed by: PALMETTO MOON REALTY, LLC
$49,900Active2 beds 3 baths6 Cedar Reef Drive #C201, St Helena Island, SC 29920
MLS# 454863Listed by: RE/MAX ISLAND REALTY (521)
$1,225,000Active4 beds 3 baths2,492 sq. ft.2 Ebb Tide Court, St Helena Island, SC 29920
MLS# 504235Listed by: DANIEL RAVENEL SOTHEBY'S INTERNATIONAL REALTY
$419,000Active2 beds 3 baths1,069 sq. ft.5 Cedar Reef Drive #D213, Harbor Island, SC 29920
MLS# 191512Listed by: BEAUFORT REALTY CONSULTANTS
$49,900Active2 beds 3 baths1,080 sq. ft.6 Cedar Reef Drive #C201, St. Helena Island, SC 29920
MLS# 191482Listed by: RE/MAX ISLAND REALTY INC.
$259,000Active1 beds 2 baths714 sq. ft.2 Harbor Drive N #L308, St. Helena Island, SC 29920
MLS# 191474Listed by: RE/MAX ISLAND REALTY INC.
$748,000Active3 beds 3 baths1,626 sq. ft.16 Lakeview Lane, Harbor Island, SC 29920
MLS# 191367Listed by: THE HOMESFINDER REALTY GROUP
$249,000Active1 beds 2 baths806 sq. ft.3 Cedar Reef Drive #E-108, Harbor Island, SC 29920
MLS# 190351Listed by: EXP REALTY LLC - BLUFFTON
$312,000Pending1 beds 2 baths794 sq. ft.1 Cedar Reef #F102, Harbor Island, SC 29920
MLS# 190447Listed by: THE HOMESFINDER REALTY GROUP
$385,000Active2 beds 3 baths1,080 sq. ft.4 Cedar Reef Drive #B202, St. Helena Island, SC 29920
MLS# 194851Listed by: KELLER WILLIAMS
$385,000Active2 beds 3 baths1,080 sq. ft.4 Cedar Reef Drive #B202, St Helena Island, SC 29920
MLS# 505094Listed by: KELLER WILLIAMS (722)
$629,000Active3 beds 3 baths1,800 sq. ft.71 Harbour Key Drive, Harbor Island, SC 29920
MLS# 190271Listed by: BEAUFORT REALTY CONSULTANTS
$699,000Active3 beds 3 baths1,863 sq. ft.2 Shipwatch Drive, St Helena Island, SC 29920
MLS# 451693Listed by: DANIEL RAVENEL SOTHEBY'S INTERNATIONAL REALTY
$699,000Active3 beds 3 baths1,950 sq. ft.2 Shipwatch Drive, St. Helena Island, SC 29920
MLS# 189447Listed by: DANIEL RAVENEL SOTHEBY'S INTE
$345,900Active1 beds 2 baths794 sq. ft.2 Cedar Reef Drive #F101, St Helena Island, SC 29920
MLS# 450699Listed by: RE/MAX ISLAND REALTY (521)
$345,900Active1 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
$1,225,000Active4 beds 3 baths2,492 sq. ft.2 Ebb Tide Court, Harbor Island, SC 29920
MLS# 194336Listed by: DANIEL RAVENEL SOTHEBY'S INTE
$475,000Active2 beds 2 baths1,150 sq. ft.6 N Harbor Drive #M317, Harbor Island, SC 29920
MLS# 186485Listed by: THE HOMESFINDER REALTY GROUP
$639,000Active3 beds 3 baths1,650 sq. ft.22 Ocean Marsh Lane, Harbor Island, SC 29920
MLS# 189686Listed by: THE HOMESFINDER REALTY GROUP
$649,000Pending3 beds 2 baths1,875 sq. ft.30 Lakeview Lane, Harbor Island, SC 29920
MLS# 194162Listed by: EXP REALTY LLC - BLUFFTON
Local realty services provided by:CENTURY 21 Coastal Town Realty, CENTURY 21 Northland, CENTURY 21 A Low Country Realty, CENTURY 21 Triangle Group
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.
Copyright 2026 Charleston Trident MLS. Information is being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed.
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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.