58550 Overseas Highway, Marathon, FL 33050

New Listing
$3,695,000
Property Type: Vacant Land Lot Size (sq. ft.): 18,800 Status: Active
Current Price: $3,695,000 List Date: 10/08/2026 Last Modified: 10/08/2026

Description

OCEANFRONT NEW CONSTRUCTION on Grassy Key in Marathon! Construction is anticipated to begin at the beginning of 2027. An exceptional opportunity to own a stunning contemporary residence overlooking the Atlantic Ocean. Situated on a 60' wide oceanfront lot, this thoughtfully designed home will offer 5 bedrooms, 4.5 bathrooms, spacious open-concept living areas, and an abundance of outdoor space to enjoy the Florida Keys lifestyle. Featuring modern coastal architecture, expansive windows, generous covered porches, and multiple balconies, the home is designed to embrace its beautiful oceanfront setting. Highlights include an open-concept design seamlessly connects the spacious kitchen, dining area, and great room. Expansive covered porches extend the living area outdoors, offering plenty of room to relax, dine, and enjoy the ocean breeze. Additional highlights include an elevator, generous garage and storage space, and a swimming pool. For those looking to create their own coastal retreat, the oceanfront lot is also available for purchase separately for $895,000 prior to the start of construction. The adjacent oceanfront lot is also available for sale, offering the rare opportunity to combine both properties for a total of 120' of Atlantic Ocean frontage! Images are architectural renderings of the proposed residence. Final plans, features, and specifications are subject to change.

More Information MLS# 621552

Contract Information

Current Price: $3,695,000 Listing Date: 2026-10-08 Listing Board: Florida Keys List Price: $3,695,000 ROGO Exempt: Yes Limited Representation: No Potential Short Sale: No Bank Owned: No

Location Tax Legal

Street #: 58550 Street Name: Overseas Street Suffix: Highway Key/Island: Marathon State/Province: FL Zip Code: 33050 County: Monroe Subdivision: Crains Sub (58.0) Area: 19 - Crawl Key & Grassy Key

General Property Description

Realtor.COM Type: Vacant Land Waterfront: Yes Control Depth: 1 Lot Dimensions: 60 X 355 Lot SqFt: 18800 Lot Sqft Source: Property Data Card

Status Change Info

Status: Active

Miscellaneous Info

Mobile Home Lot: No

Financial Status

Bank Owned: No Potential Short Sale: No

Property Features

Tax Exemptions: None Waterfront: Oceanfront Dockage: None Waterview: Ocean View BuildingPermit: Active Permit; Other Permit Land Size: 1/4 - 1/2 Acre Title: Title Ins - Buyer
Listing Office: Coastal Realty of the Florida Keys
Last Updated: October - 08 - 2026
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