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All stats are year over year

Updated September 16, 2026 10:54AM EST

Echo Video

Days on MarketDOM

40Days | -13%
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Active InventoryAI

4,345 Homes | -24%
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Median Sales PriceMSP

$650,000 | 3%
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New ListingsNL

1,360 Homes | -7%
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Closed SalesCS

1,112 Homes | -2%
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Dollar VolumeDV

$1.4B | 27%
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Months of InventoryMOI

3.5 Months | -33%
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Pending SalesCS

1,206 Homes | 2%
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Island Harbor South

A subdivision of Sebastian.

Total Homes : 10

Gated : Yes

Club Membership : No

No-Fee Community : No

Island Harbor South Map

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Discover the Lifestyle of Island Harbor South Homes

Island Harbor South is a small gated residential community within Sebastian, Florida, with 10 homes. The neighborhood offers a limited number of residences in northern Indian River County, and club membership is not required. Island Harbor South Homes for Sale place buyers within the broader Sebastian area, where the Indian River Lagoon, waterfront recreation, parks, restaurants, and local shopping are all part of daily life.

Sebastian’s location along Florida’s Treasure Coast provides access to boating, fishing, kayaking, waterfront parks, and destinations throughout Indian River County. U.S. Highway 1 is a major route through the area, while Interstate 95 provides broader regional connections.

About Island Harbor South

Island Harbor South is a 10-home residential subdivision within Sebastian with a gated entrance. Its small size distinguishes it from many of the larger planned communities throughout the city. Individual properties can vary in architecture, condition, updates, landscaping, lot characteristics, and waterfront features.

The community’s location near Sebastian’s waterways adds to its connection with the area’s outdoor lifestyle. Buyers considering Island Harbor South should review each available property individually and confirm current association requirements, fees, assessments, access arrangements, and any applicable property restrictions.

History of Island Harbor South

Island Harbor South is part of Sebastian’s established residential landscape in northern Indian River County. Sebastian developed around the Indian River Lagoon and grew from its early waterfront roots into a city with residential neighborhoods, parks, commercial areas, and recreational destinations.

Detailed information about the original development history of Island Harbor South is limited in readily available sources. The community is best understood within the broader growth of Sebastian and the continued development of residential neighborhoods near the area’s waterways.

Amenities

Island Harbor South is primarily a residential community, with its gated entrance serving as a defining community feature.

  • Gated entrance
  • Small community with 10 homes
  • No club membership requirement
  • Nearby access to Sebastian’s restaurants, shopping, and everyday services
  • Convenient access to the Indian River Lagoon and surrounding waterways
  • Opportunities nearby for boating, fishing, kayaking, and other outdoor recreation
  • Access to Sebastian’s parks and waterfront destinations
  • Additional beaches and coastal recreation throughout the Treasure Coast

Key Details

  • Community type: Residential subdivision
  • Parent community: Sebastian
  • Total homes: 10
  • Property types: Residential homes
  • Gated: Yes
  • Club membership: No
  • HOA or association: Buyers should verify current association requirements for the individual property
  • Community fees: Island Harbor South is not listed as a no-fee community; current fees, assessments, and ownership costs should be confirmed during due diligence
  • Location: Sebastian, Florida
  • County: Indian River County
  • Major nearby road: U.S. Highway 1
  • Regional access: Interstate 95 provides access to destinations beyond Sebastian

Nearby Communities

Hidden Acres Sebastian is another residential community within the Sebastian area. It provides an additional option for buyers comparing neighborhood settings and available homes in northern Indian River County.

Laurel Reserve is another Sebastian community with a distinct residential setting. Buyers exploring gated communities may find it useful as a comparison when considering different neighborhood sizes and locations.

Pelican Pointe of Sebastian is another nearby community to consider when comparing residential options in Sebastian. Like Island Harbor South, it is part of the city’s broader network of established neighborhoods.

Work with Echo Fine Properties

Explore available homes in Island Harbor South and compare properties throughout Sebastian with Echo Fine Properties. Contact the team for current listings, community information, and guidance on the Sebastian real estate market.

Island Harbor South Homes for Sale FAQs

Where is Island Harbor South located?

Island Harbor South is located in Sebastian, Florida, in northern Indian River County. The community is part of Florida’s Treasure Coast and is within reach of Sebastian’s restaurants, shopping, parks, waterways, and recreational destinations.

How many homes are in Island Harbor South?

Island Harbor South has 10 homes. Its limited number of residences gives the community a smaller footprint than many of Sebastian’s larger residential subdivisions.

Is Island Harbor South a gated community?

Yes. Island Harbor South has a gated entrance. Buyers should confirm current access arrangements and any applicable association requirements for the individual property they are considering.

Does Island Harbor South require club membership?

No. Club membership is not required at Island Harbor South. Current association fees, assessments, and property-specific restrictions should still be reviewed before purchasing.

What is near Island Harbor South?

Island Harbor South is within the broader Sebastian area, near restaurants, shopping, parks, and everyday services. The Indian River Lagoon and surrounding waterways provide nearby opportunities for boating, fishing, kayaking, and other outdoor recreation, while additional coastal destinations are available throughout the Treasure Coast.

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C 561-500-3246

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