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Property Description
Rare opportunity to build on a corner lot in the heart of Isle of Palms. Located at the corner of 21st Avenue and Waterway Boulevard, this approximately 0.28-acre homesite offers potential sneak peeks of the Intracoastal Waterway along with beautiful grand oak trees that create a classic Lowcountry setting. Ideally located within walking distance to the beach, local restaurants, and island shops, this property offers the perfect blend of convenience and coastal living. Just moments from County Park beach access, the location provides easy access to everything that makes island life so desirable.The property currently has an existing home on site that would likely need to be removed, creating the opportunity to design and build your ideal island home. An arborist has reviewed theproperty, allowing potential for a larger footprint and future 2-story construction. Zoned SR-1, the lot contains approximately 12,196.8 square feet. As a corner lot, the property benefits from two front setbacks and two side setbacks: " Front Setbacks: 24' " Side Setbacks: 10' The existing home is currently used as a vacation rental, offering potential interim rental income while future plans are developed. All building plans, improvements, and permitting would be subject to approval by the Town of Isle of Palms. Known for its pristine beaches, relaxed Lowcountry charm, and endless outdoor recreation, Isle of Palms is one of the Charleston area's premier coastal communities. Enjoy nearby golf, boating, watersports, dining, and entertainment, making this an exceptional opportunity for a primary residence, vacation retreat, or investment property.
Full Property Details
Full Property Details for 37 21st Ave
General
- Price: $1,750,000
- Status: Active
- Type: Lots/Land
- Source: Charleston_Trident_MLS
- MLS ID: 26014448
- Updated: 5/19/2026
- Added to Site: 1 day(s) ago
Location
- Area: 44 - Isle of Palms
- County: Charleston
- Driving Directions: Come Over The Isle Of Palms Connector From Mt. Pleasant And At The Light Turn Left Onto Palm Boulevard. Take A Left Onto 21st Avenue And Property Will Be On Your Left On The Corner Of 21st Avenue And Waterway Boulevard.
School Information
- Elementary School: Sullivans Island
- Middle School: Laing
- High School: Wando
Community
- Community Name: 44 - Isle of Palms
Utilities
- Sewer: Sewer At Site
- Utility Description: Electricity Connected
Additional Structures
- Other Structures: Residence
Lot Features
- Lot Size (Acres): 0.28
- Lot Size (Sq. Ft.): 12,196
- Zoning: Residential
Financial Considerations
- Terms: Cash, Conventional
Listed by Carolina One Real Estate
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Schools
Schools serving 37 21st Ave
School District:Charleston County School District
| Name | Grades | Distance |
|---|---|---|
Sullivans Island Elementary School 2014 Mike Perkis Place, Sullivan's Island, SC 29482 | PK-5 | 3.9 mi |
Moultrie Middle School 645 Coleman Boulevard, Mount Pleasant, SC 29464 | 6-8 | 5 mi |
Wando High School 1000 Warrior Way, Mount Pleasant, SC 29466 | 9-12 | 6.6 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 37 21st Ave
Date
Details
Price
Change
Source
5/18/2026
Listed
$1,750,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 37 21st Ave
Year
Property Taxes
Change
Tax Assessment
Change
2024
$12,521
3%
$54,000
—
2023
$12,122
126%
$54,000
124%
2022
$5,365
1%
$24,150
—
2021
$5,305
1%
$24,150
15%
2020
$5,234
11%
$21,000
—
2018
$4,712
3%
$21,000
—
2017
$4,586
11%
$21,000
7%
2016
$4,114
5%
$19,560
—
2015
$3,914
-9%
$19,560
6%
2012
$4,298
—
$18,430
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 37 21st Ave
37 21st Avenue, Isle Of Palms, SC 29451 (MLS# 26014448) is a Lots/Land property with a lot size of 0.28 acres. 37 21st Avenue is currently listed for $1,750,000 and was received on May 18, 2026. Want to learn more about 37 21st Avenue? Do you have questions about finding other Lots/Land real estate for sale in Isle Of Palms? You can browse all Isle Of Palms real estate or contact a Coldwell Banker agent to request more information.

