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  • 58652 Overseas Highway, Marathon, FL 33050 (MLS# 619913)

58652 Overseas Highway, Marathon, FL 33050

New Listing
$3,995,000
Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 2,429 Lot Size (sq. ft.): 24,394 Status: Active
Current Price: $3,995,000 List Date: 5/15/2026 Last Modified: 5/15/2026

Description

Enter the bougainvillea-lined gates of Casa Feliz, a private oceanfront retreat on Grassy Key with expansive water views, white sand beach, and a true resort-style experience in the Florida Keys. An exceptional investment opportunity, Casa Feliz is a strong producing vacation rental with rental history and future bookings already in place. Set on over 24,000 square feet of lush grounds with mature landscaping, fruit trees, fresh herbs, and .29 acres of bay bottom, this exceptional estate is designed for both relaxation and entertaining. A 148-foot observation dock invites kayaking, paddleboarding, fishing, and endless enjoyment of marine life, while the unique orientation captures both breathtaking sunrise and sunset views over the water, a rare and coveted feature in the Keys. Outdoor living is elevated with a resort-style saltwater pool featuring cascading waterfalls, spillover spa, and fully equipped poolside cabana complete with wet bar, refrigerator, ice maker, and cooking area. A fire table and beachside fire pit create the ultimate setting for entertaining or unwinding beneath the stars. Completely renovated down to the studs in 2022, the three-story residence was thoughtfully redesigned to maximize sweeping ocean views from nearly every room. Offering four custom bedroom suites, each with private en-suite bath, the home comfortably accommodates guests in luxury. The top-floor penthouse suite features a private balcony, 180-degree ocean views, custom 96-inch circular bed, and kitchenette with coffee station. Expansive accordion impact glass doors seamlessly blend indoor and outdoor living throughout. The gourmet kitchen showcases Café appliances, induction cooktop, quartz countertops, mosaic tile backsplash, wine cooler, glass shelving, and multiple dining areas ideal for hosting. Additional highlights include a movie theater, library loft, Control4 smart technology, custom millwork, local artist mural, and more. Discover why Grassy Key is the place to be.

More Information MLS# 619913

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Species List: Yes Current Price: $3,995,000 Listing Date: 2026-05-15 List Price: $3,995,000

Location, Tax & Legal

City: MARATHON Off Shore Island: Yes Mile Marker: 58 Marathon Neighborhood: Grassy Key Side: Ocean Alternate Key #: 1450031 Parcel #: 00366860000000 Zoning: RM - Residential Medium Deed Restrictions: Unknown Legal: BK 1 LT 7 CRAINS SUBD PB1-51 GRASSY KEY Taxes: 14033.66 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 58652 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: Residential - Single Family Waterfront: Yes Control Depth: 2 Lot Size: 60 X 410 Lot SqFt: 24394 Pool: Yes Lot Sqft Source: Property Data Card Acres: 0.85 SqFt Source: Appraisal Rentals Allowed: Yes Min Rental Days: 7 Style: Single Family Year Built: 1981 Living Apx SqFt: 2429 Total Bedrooms: 4 Full Baths: 4 Total Baths: 4

Remarks & Misc

Remarks – Consumer: Enter the bougainvillea-lined gates of Casa Feliz, a private oceanfront retreat on Grassy Key with expansive water views, white sand beach, and a true resort-style experience in the Florida Keys. An exceptional investment opportunity, Casa Feliz is a strong producing vacation rental with rental history and future bookings already in place. Set on over 24,000 square feet of lush grounds with mature landscaping, fruit trees, fresh herbs, and .29 acres of bay bottom, this exceptional estate is designed for both relaxation and entertaining. A 148-foot observation dock invites kayaking, paddleboarding, fishing, and endless enjoyment of marine life, while the unique orientation captures both breathtaking sunrise and sunset views over the water, a rare and coveted feature in the Keys. Outdoor living is elevated with a resort-style saltwater pool featuring cascading waterfalls, spillover spa, and fully equipped poolside cabana complete with wet bar, refrigerator, ice maker, and cooking area. A fire table and beachside fire pit create the ultimate setting for entertaining or unwinding beneath the stars. Completely renovated down to the studs in 2022, the three-story residence was thoughtfully redesigned to maximize sweeping ocean views from nearly every room. Offering four custom bedroom suites, each with private en-suite bath, the home comfortably accommodates guests in luxury. The top-floor penthouse suite features a private balcony, 180-degree ocean views, custom 96-inch circular bed, and kitchenette with coffee station. Expansive accordion impact glass doors seamlessly blend indoor and outdoor living throughout. The gourmet kitchen showcases Café appliances, induction cooktop, quartz countertops, mosaic tile backsplash, wine cooler, glass shelving, and multiple dining areas ideal for hosting. Additional highlights include a movie theater, library loft, Control4 smart technology, custom millwork, local artist mural, and more. Discover why Grassy Key is the place to be. Directions: From US-1, turn south to 58652 Overseas Highway. Home is right across the street from Grassy Key RV Park.

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No Association Fee $: 0

Fee Includes

None: 1

Dockage

Dock: Composite

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Freezer: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1 Wine Cooler: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1

Waterfront

Oceanfront: 1 Open Water: 1

Waterview

Ocean View: 1 Open Water View: 1

Floor

Tile: 1 Wood: 1

Interior Features

Drapes/Blinds Incl: 1 Quartz Countertops: 1 Security System: 1 Smoke Alarms: 1

Property Condition

Updated/Remodeled: 1

Specialty Rooms

Laundry Room: 1 Theater Room: 1

Building Style

Above Flood: Yes

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Carport: 1

Construction

CBS: 1

Land Size

1/4 - 1/2 Acre: 1

Furnished

Furnished: 1

Terms

No Seller Finance: 1

Utilities

Buyer to Verify: 1 Cable Available: 1 FKAA: 1 Municipal Sewer: 1 Propane: 1

Porch/Balcony

Open Porch/Balcony: 1

Exterior Features

Built-in Grill: 1 Fruit Tree(s): 1 Hot Tub: 1 Lighting: 1 Outdoor Kitchen: 1 Outdoor Shower: 1 Privacy Wall/Fence: 1 Rain Gutters: 1 Sandy Beach: 1 Sprinkler System: 1 Storage: 1 Water Display: 1

Pool Info

In Ground: 1 Lap: 1 Heated: Yes Concrete: 1 Decked: 1

Pre-Wired

Other: Control-4

Roof

Metal Roof: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Oceanfront; Open Water Waterview: Ocean View; Open Water View Property Condition: Updated/Remodeled Vehicle Storage: Carport Furnished: Furnished Cooling: Ceiling Fans(s) Utilities: Buyer to Verify; Cable Available; FKAA; Municipal Sewer; Propane Interior Features: Drapes/Blinds Incl; Quartz Countertops; Security System; Smoke Alarms Specialty Rooms: Laundry Room; Theater Room Appliances: Dishwasher; Disposal; Dryer; Freezer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Built-in Grill; Fruit Tree(s); Hot Tub; Lighting; Outdoor Kitchen; Outdoor Shower; Privacy Wall/Fence; Rain Gutters; Sandy Beach; Sprinkler System; Storage; Water Display Pool Info: In Ground; Lap; Concrete; Decked Construction: CBS Floor: Tile; Wood Roof: Metal Roof Pets: Pets Allowed Land Size: 1/4 - 1/2 Acre Terms: No Seller Finance
Listing Office: Ocean Sotheby's International
Last Updated: May - 15 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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