6400 Overseas Highway DOWNSTAIRS OFFICE Marathon, FL 33050

Now available for Lease in Marathon, Florida: a spacious 2,400 sq. ft. ground-floor commercial unit in a freestanding building with 100 feet of US-1 highway frontage--offering excellent visibility and signage opportunities. Located on a 17,519 sq. ft. lot, this property provides ample off-street parking, beautiful tropical landscaping, and convenient access for customers and deliveries. The entire first floor is available and includes:- Two restrooms- Welcoming waiting area- Front desk/reception space- Two open common areas- Seven private rooms/offices- Oversized garage-style storage room with a separate entrance and kitchenette--perfect for storing inventory, receiving shipments, or converting into a breakroom, display room, or additional workspace- Multiple built-in storage closets! Previously home to a long-standing optometrist's office, this flexible layout is ideal for a medical or dental practice, real estate firm, law office, wellness spa, or professional services looking to establish themselves in the heart of the Florida Keys. Available September 1, 2025,Monthly Lease: $5,500,Additional Fee: $100/month (water & trash) + 3.5% sales tax,Tenant pays all other utilities. Landlord-friendly lease terms!To support your business startup or relocation, the owner is waiving the traditional last month and security deposit requirements. This allows tenants to use their funds toward custom build-outs--including permission to update flooring, bathrooms, and paint to reflect their brand and style.Lease terms available for 1, 2, 3, or 5 years. The building has been recently upgraded, including extensive improvements to the structure and surrounding landscaping. The 17-year inspection was successfully completed and passed last year.Take advantage of this rare opportunity to grow your business in Marathon, FL--one of the most vibrant and desirable communities in the Florida Keys.Owner is a licensed Florida Keys Real Estate Agent