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Mark O'Donnell
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Mark O'Donnell

I bring a strong foundation built on integrity, honesty, and a genuine commitment to putting people first. I believe that trust is everything in this business, and I work hard to earn it by being transparent, responsive, and dependable every step of the way.

Whether helping clients buy, sell, or simply explore their options, I focus on delivering a level of service that goes above and beyond expectations. That means taking the time to truly understand each client’s goals, communicating clearly, and making the process as smooth and stress-free as possible.

Real estate isn’t just about transactions—it’s about relationships. My goal is to be someone clients can rely on not just for one deal, but for years to come. I’m committed to working tirelessly, advocating for my clients’ best interests, and making sure they feel confident and supported from start to finish.

Featured Listings

$430,000
  • 2 Beds
  • 2 Full Baths
  • 1 Partial Baths
  • 1,340 sqft
17 W Mariners Cay Drive, Folly Beach, SC 29439
MLS Logo
$625,000
  • 4 Beds
  • 2 Full Baths
  • 1 Partial Baths
  • 2,082 sqft
  • 0.25 Acreage
1953 Boeing Avenue, Charleston, SC 29407
MLS Logo
$409,000
  • 3 Beds
  • 2 Full Baths
  • 1 Partial Baths
  • 1,692 sqft
  • 0.06 Acreage
150 Dorothy Drive, Charleston, SC 29414
MLS Logo
$572,900
  • 5 Beds
  • 2 Full Baths
  • 1 Partial Baths
  • 2,584 sqft
  • 0.20 Acreage
1234 White Tail Path, Charleston, SC 29414
MLS Logo
$1,200,000
  • 4 Beds
  • 3 Full Baths
  • 1 Partial Baths
  • 3,077 sqft
  • 0.15 Acreage
1277 Pearwood Court, Mount Pleasant, SC 29466
MLS Logo
$25,000
  • 2.32 Acreage
0 Warrior Road, Elloree, SC 29047
MLS Logo
Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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 on this site was last updated 06/29/2026. The listing information on this page last changed on 06/29/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Mon 06/29/2026 3:21:30 PM EST) or Pee Dee MLS (last updated Mon 06/29/2026 3:16:03 PM EST) or CCAR MLS (last updated Mon 06/29/2026 3:17:07 PM EST) or Columbia SC MLS (last updated Mon 06/29/2026 3:17:59 PM EST) or Charleston Trident MLS (last updated Mon 06/29/2026 3:20:28 PM EST) or SCCMLS (last updated Mon 06/29/2026 3:13:36 PM EST). Real estate listings held by brokerage firms other than Carolina One Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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