Harbor Island Homes under $600,000

Welcome to Harbor Island, a hidden gem nestled in the heart of St. Helena Island, South Carolina, within the picturesque Beaufort County. This tranquil subdivision offers a perfect blend of coastal charm and modern living, making it an ideal destination for families, retirees, and anyone seeking a serene lifestyle by the sea.

Harbor Island is renowned for its stunning natural beauty, featuring pristine beaches, lush landscapes, and breathtaking views of the Atlantic Ocean. Residents enjoy easy access to a variety of outdoor activities, including fishing, kayaking, and nature walks along the nearby salt marshes. The island's rich history and vibrant community spirit make it a welcoming place to call home.

For those seeking affordable yet beautiful homes, Harbor Island has a variety of options available under $600,000. These charming residences offer an array of styles and sizes, ensuring that there’s something to suit everyone’s taste and needs. From cozy beach cottages to spacious family homes, each property is designed to provide comfort and convenience, all while being just a stone's throw from the beach.

In addition to its stunning homes, Harbor Island boasts a strong sense of community, with local events and gatherings that foster connections among neighbors. With its ideal location, beautiful surroundings, and affordable real estate options, Harbor Island is not just a place to live—it's a lifestyle waiting to be embraced. Come discover your piece of paradise in this enchanting coastal enclave!

Newest Harbor Island Homes under $600,000

6 Harbor Drive N Unit M313, St. Helena Island

$417,000

2 Beds ⋅ 2 Baths ⋅ 197852 MLS

Oceanfront views and nearby beach access are only part of the story at 6 Harbor Drive, Unit M313. From amazing views to an established rental history with future bookings, this 2-bedroom, 2-bath Harbor Island 3rd floor condo brings together the experiences buyers seek along this naturally beautiful stretch of the South Carolina coast. M313 is currently an income-producing rental with rental history and future bookings, creating flexibility for those considering a Lowcountry getaway, coastal investment, or full-time island residence. Inside, comfortable gathering spaces make it easy to transition from a morning along the shoreline to a relaxed evening at home. In the dining area, a large picture window frames the marsh, bringing the landscape and changing coastal light into everyday life. Two bedrooms and two full baths provide practical space for owners or guests. Beyond the condo, Harbor Island offers a gated setting, beach access and community amenities included in the low annual HOA expense, surrounded by the marsh, water, wildlife and scenery that define this part of the Lowcountry. Hunting Island State Park is just down the road for even more time outdoors. When island quiet gives way to dinner, shopping or a day in town, downtown Beaufort's restaurants, shops, waterfront and historic character are within easy reach. For buyers comparing Harbor Island vacation rentals, second homes and coastal investment properties, M313 stands apart with its combination of beach access, marsh and ocean views, existing rental activity and an unmistakably Lowcountry setting. Book your tour today!

6 Harbor Drive N Unit M313, St. Helena Island

Courtesy of Greco Group Brokered by eXp, from Lowcountry Regional MLS.

6 Harbor Drive Unit M117, St. Helena Island

$415,000

2 Beds ⋅ 2 Baths ⋅ 197812 MLS

Fabulous 2BR/2BA Oceanfront villa! Beautiful pool to ocean views and completely furnished. Relax every morning on your NEW back oceanfront porch and drink your coffee while watching the sunrise or just stroll to the beach. Harbor Island has amenities galore including three pools, fitness center, fishing docks, garden, pickleball, tennis, basketball courts, security 24/7, Turtle's Nest souvenir shop, dog park, playground, boat storage, private beach and much more!!!

6 Harbor Drive Unit M117, St. Helena Island

Courtesy of RE/MAX Island Realty Inc., from Lowcountry Regional MLS.

121 Harbour Key Drive, St. Helena Island

$589,000

3 Beds ⋅ 2 Baths ⋅ 197601 MLS

Imagine building your own slice of paradise on beautiful Harbor Island! This proposed new construction in the desirable Harbour Key community features: 3 Bedrooms, 2 Full Bathrooms with a spacious screened porch perfect for enjoying coastal breezes. Also featuring an elevated design with covered parking and storage underneath. Stunning marsh views and spectacular Lowcountry sunsets The homesite comes with a pre-approved house plan, making it easier than ever to bring your coastal dream to life. Enjoy all the amenities Harbor Island has to offer, including beach access, pools, tennis, pickleball, fitness center, and miles of pristine shoreline. Opportunities like this are rare in Harbour Key!

121 Harbour Key Drive, St. Helena Island

Courtesy of RE/MAX Dream, from Lowcountry Regional MLS.

2 N Harbor Drive Unit L301, St. Helena Island

$219,999

1 Beds ⋅ 2 Baths ⋅ 197409 MLS

Wake up to sweeping views of the Saint Helena Sound from this beautifully maintained villa on Harbor Island. One of the community's unique floor plans, this residence welcomes you with a spacious square foyer and an oceanside bedroom where water views greet you each morning. The screened porch provides the perfect place to enjoy spectacular sunrises, coastal breezes, and the peaceful rhythm of island life. Lovingly maintained by its original owner for more than 27 years and never offered as a rental, this fully furnished villa is ready for immediate enjoyment. Elevator access, a private pool just steps away, direct beach access across the dunes, and the nearby Beach & Racquet Club complete the Harbor Island experience.

2 N Harbor Drive Unit L301, St. Helena Island

Courtesy of Greco Group Brokered by eXp, from Lowcountry Regional MLS.

$599,000

3 Beds ⋅ 3 Baths ⋅ 197124 MLS

Tucked away within the gated community of Harbor Island, this charming 3-bedroom, 3-bath coastal retreat offers the perfect blend of privacy, comfort, and Lowcountry living. Bright, open living spaces with soaring ceilings create an inviting atmosphere, while multiple screened porches and a spacious rear deck overlook a tranquil pond, providing the perfect setting to relax and enjoy the peaceful surroundings. Whether you're looking for a primary residence, vacation getaway, or investment opportunity, this home offers a true island escape. Harbor Island residents enjoy beach access, pools, tennis and pickleball courts, a fitness center, playground, and miles of pristine shoreline just moments from your door.

22 Ocean Marsh Lane, St. Helena Island

Courtesy of Greco Group Brokered by eXp, from Lowcountry Regional MLS.

2 Harbor Drive N Unit L112, St. Helena Island

$245,000

1 Beds ⋅ 1 Baths ⋅ 196989 MLS

Welcome to SC beach life on beautiful Harbor Island-a private gated community in Beaufort County. This fully furnished first-floor, immaculate, well-cared-for one-bedroom condo has newer windows, a newer slider, and a newer screened porch. Enjoy lovely breezes & beautiful views of the St Helena Sound from your private screened porch. This end unit has an additional window and its own laundry room w/ washer/dryer. The condo complex has its own outdoor pool in addition to the large community pool. Island amenities include 3 miles of beach perfect for walking, dolphin watching, sun worshipping, swimming & relaxing, dog park, community garden, pickleball, tennis, basketball, beach & pier fishing. Bike riding, walking, bird & nature watching & golf cart cruising are highly recommended!! This adorable, one level unit sells fully furnished with the exception of the coffee table & live plants.The end of the hall location of this unit is VERY convenient to the side parking lot.

2 Harbor Drive N Unit L112, St. Helena Island

Courtesy of BHHS Bay Street Realty, from Lowcountry Regional MLS.

3 Cedar Reef Drive Unit E-211, St. Helena Island

$370,000

2 Beds ⋅ 3 Baths ⋅ 196299 MLS

This beautifully maintained furnished two-bedroom condo offers the perfect blend of comfort, views, & resort-style living. Overlooking the sparkling pool & lush green space, enjoy views of the St. Helena Sound in the distance. The main level features a bright & inviting living area, newer slider, newer windows, dining space, well-appointed kitchen, laundry, & convenient half bath. Step outside onto the newer private deck-the perfect spot for soaking in the ocean breeze & peaceful surroundings. Upstairs enjoy 2 bedrooms, each with their own bath and storage. Harbor Island offers a natural environment perfect for fishing, bird watching, glorious sunsets & enjoying 3 miles of St Helena Sound beach. Other amenities include fitness center, community garden, dog park, fishing spots and dock fishing, basketball, pickle ball and tennis courts , 24/7 manned security gate, and 3 miles of white sand beach

3 Cedar Reef Drive Unit E-211, St. Helena Island

Courtesy of BHHS Bay Street Realty, from Lowcountry Regional MLS.

Start Your Search

We do not attempt to independently verify the currency, completeness, accuracy or authenticity of the data contained herein. It may be subject to transcription and transmission errors. Accordingly, the data is provided on an “as is” “as available” basis only and may not reflect all real estate activity in the market. © 2026 REsides, Inc. All rights reserved. Certain information contained herein is derived from information, which is the licensed property of, and copyrighted by, REsides, Inc.

This information is deemed reliable, but not guaranteed. Neither the Lowcountry Regional MLS, nor the listing broker, nor their agents or subagents are responsible for the accuracy of the information. The buyer is responsible for verifying all information. This information is provided by the Lowcountry Regional MLS for use by its members and is not intended for use for any other purpose.