235 Tropical Avenue, Marathon, FL 33050

$1,399,000

Oversized Center Island Anchors the Room

Property Type: Residential Bedrooms: 4 Baths: 3 Square Footage: 3,647 Lot Size (sq. ft.): 15,000 Status: Active

Current Price: $1,399,000 List Date: 8/31/2026 Last Modified: 9/07/2026

Overview

Description

Tucked into the natural landscape of Grassy Key, 235 Tropical Avenue offers a unique combination of space, privacy and the unhurried character that defines life in the Middle Keys. Set on a 15,000-square-foot lot in Crains Subdivision, this concrete stilted residence offers more than 3,600 square feet of living space, impact windows and doors, and generous indoor-outdoor areas designed around the Florida Keys lifestyle. An expansive open layout creates room to gather, entertain and settle in comfortably, with multiple living spaces and an easy connection to the outdoors. Lush native vegetation surrounds the property, creating a remarkable sense of privacy and seclusion. The partially fenced backyard centers around an inviting in-ground pool with waterfall, tanning shelf and water features, setting the stage for long afternoons outside and evenings under the palms. Ample parking provides room for multiple vehicles and boat trailers, an especially valuable feature for enjoying life on th ... (Read more)

Listing Details MLS# 621156

Location, Tax & Legal

Street #: 235
Street Name: Tropical
Street Suffix: Avenue
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Crains Sub (58.0)
Area: 19 - Crawl Key & Grassy Key
City: MARATHON
Off Shore Island: No
Mile Marker: 57.5
Marathon Neighborhood: Grassy Key
Senior Community YN: No
Side: Bay/Gulf
Flood Zone: AE9
Alternate Key #: 1455920
Handicap Access: No
Parcel #: 00372830000000
Zoning: RM-1 - Residential Medium - 1
Deed Restrictions: Unknown
Legal: Sqr 47 Lts 14-15 Crains Subd Of Grassy Key Pb 1-51 Pt Secs 24-25-26 Twp 65S R 33E Or377-187/88 Or1931-479/80 Or2162-249/
Taxes: 8951.85
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Florida Keys
As is Rght to Inspct: Yes
Species List: No

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: No
Pool: Yes
Year Built: 2015
Lot SqFt: 15000
Lot Sqft Source: Property Data Card
Acres: 0.34
Living Apx SqFt: 3647
SqFt Source: Seller
Total Bedrooms: 4
Full Baths: 2
Half Baths: Yes
Total Baths: 3
Rentals Allowed: With Restrictions
Min Rental Days: 28
Control Depth: 0

Association Info

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

Building Style

Above Flood: Yes

More Information

Vehicle Storage

Car(s): 4+
Carport: Yes
Covered Parking: Yes
Open Parking: Yes
RV Parking Open: Yes
Trailer Storage: Yes

Pool Info

Heated: No
In Ground: Yes
Concrete: Yes
Decked: Yes

Financial Status

Standard Sale: Yes

Remarks & Misc

Remarks – Consumer: Tucked into the natural landscape of Grassy Key, 235 Tropical Avenue offers a unique combination of space, privacy and the unhurried character that defines life in the Middle Keys. Set on a 15,000-square-foot lot in Crains Subdivision, this concrete stilted residence offers more than 3,600 square feet of living space, impact windows and doors, and generous indoor-outdoor areas designed around the Florida Keys lifestyle. An expansive open layout creates room to gather, entertain and settle in comfortably, with multiple living spaces and an easy connection to the outdoors. Lush native vegetation surrounds the property, creating a remarkable sense of privacy and seclusion. The partially fenced backyard centers around an inviting in-ground pool with waterfall, tanning shelf and water features, setting the stage for long afternoons outside and evenings under the palms. Ample parking provides room for multiple vehicles and boat trailers, an especially valuable feature for enjoying life on the water. Above it all, a rooftop observation deck captures ocean views and a beautiful perspective across Grassy Key. Watch the light change over the horizon and native birds gather around the natural salt ponds behind the property. Crains Subdivision also offers a community sunset park, while a public boat ramp is just minutes away for convenient access to the surrounding waters. Centrally positioned between Marathon, Duck Key and Islamorada, the home is convenient to Curry Hammock State Park, Dolphin Research Center, waterfront dining, marinas, fishing, diving, paddling and the Florida Keys Overseas Heritage Trail. Whether envisioned as a full-time residence or a private Florida Keys retreat, 235 Tropical Avenue feels connected to its surroundings, offering a spacious and secluded setting from which to experience the water, wildlife and easy rhythm of Grassy Key.
Directions: From US-1, turn onto Tropical Avenue and the home will be on your right.

Fee Includes

None: Yes

Dockage

None: Yes

Tax Exemptions

Homestead: Yes

Appliances

Dishwasher: Yes
Dryer: Yes
Freezer: Yes
Microwave: Yes
Oven: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes

Pets

Pets Allowed: Yes

Cooling

Central Air: Yes

Heating

Central: Yes

Waterfront

Salt Ponds: Yes
None: Yes

Waterview

Salt Ponds: Yes

Floor

Vinyl: Yes

Neighborhood Feature

Other Area Features: Yes

Interior Features

Built-in Cabinets: Yes
Drapes/Blinds Incl: Yes
Pantry: Yes
Quartz Countertops: Yes
Walk-in Closet(s): Yes
Whirlpool Bath Tub: Yes

Property Condition

Updated/Remodeled: Yes

Windows/Doors

Impact Rstnce Doors: Yes
Impact Rstnce Window: Yes

Security

No Security: Yes

Construction

CBS: Yes
Concrete: Yes

Land Size

1/4 - 1/2 Acre: Yes

Furnished

Unfurnished: Yes

Terms

Cash: Yes
Conventional: Yes
No Seller Finance: Yes

Utilities

Buyer to Verify: Yes
Cable Available: Yes
FKAA: Yes

Porch/Balcony

Open Porch/Balcony: Yes

Title

Title Ins - Buyer: Yes

Exterior Features

Fencing: Yes
Rain Gutters: Yes

Roof

Metal Roof: Yes

Accessibility Feat

None: Yes

Property Features

Fee Includes: None Tax Exemptions: Homestead Waterfront: Salt Ponds; None Waterview: Salt Ponds Dockage: None Property Condition: Updated/Remodeled Vehicle Storage: Carport; Covered Parking; Open Parking; RV Parking Open; Trailer Storage Furnished: Unfurnished Cooling: Central Air Heating: Central Utilities: Buyer to Verify; Cable Available; FKAA Interior Features: Built-in Cabinets; Drapes/Blinds Incl; Pantry; Quartz Countertops; Walk-in Closet(s); Whirlpool Bath Tub Appliances: Dishwasher; Dryer; Freezer; Microwave; Oven; Refrigerator; Stainless Steel Appliance(s); Washer Exterior Features: Fencing; Rain Gutters Accessibility Feat: None Pool Info: In Ground; Concrete; Decked Construction: CBS; Concrete Floor: Vinyl Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Other Area Features Security: No Security Land Size: 1/4 - 1/2 Acre Terms: Cash; Conventional; No Seller Finance Title: Title Ins - Buyer

Listing Office: Ocean Sotheby's International Realty

Last Updated: September - 07 - 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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