155 Fontaine Drive, Plantation Key, FL 33070 (MLS# 618867)

155 Fontaine Drive, Plantation Key, FL 33070

$1,250,000

Well Designed Kitchen- stainless steal appliances

View from Guest House Entry back towards Main Home

Easy access from Main Home to Guest House

Opportunities Endless to design outdoor space

Property Type: Residential Bedrooms: 5 Baths: 4 Square Footage: 2,492 Lot Size (sq. ft.): 14,175 Status: Active

Current Price: $1,250,000 List Date: 3/01/2026 Last Modified: 6/01/2026

Overview

Description

New Price | 5 Bedrooms | Guest House | Nearly 15,000 Sq Ft Lot | Tavernier, Florida Keys More space. More flexibility. More opportunity. Welcome to The Fontaine House-- a rare Upper Keys property offering a combination that's becoming increasingly difficult to find: a main home, detached guest house, pool, and nearly 15,000 square feet of land. With 5 total bedrooms, this property was designed for real life--hosting family, welcoming guests, creating separation, working from home, or simply having room to spread out. The main residence features 3 bedrooms and 2 baths with a bright open layout centered around a kitchen built for gathering, complete with stainless appliances, gas cooktop, and wine bar. Step outside to a screened, heated saltwater pool surrounded by tropical landscaping that creates a private setting to relax and entertain. Need flexibility? A finished lower-level space with its own bathroom works beautifully as a home office, gym, or bonus space, while the wh ... (Read more)

Listing Details MLS# 618867

Location, Tax & Legal

Street #: 155
Street Name: Fontaine
Street Suffix: Drive
Key/Island: Plantation Key
State/Province: FL
Zip Code: 33070
County: Monroe
Subdivision: Fontaine Lake (90.0)
Area: 25 - Plantation Key
City: Tavernier
Mile Marker: 90
Marathon Neighborhood: N/A
Side: Ocean
Flood Zone: AE,AE
Alternate Key #: 1530841
Parcel #: 00432970-000000
Zoning: R1 - Residential Single Family
Deed Restrictions: Unknown
Legal: BK 4 L0TS 20-21 FONTAINE LAKE EST PB5-8 PLANTATION KEY OR408-1039 OR438-716 OR450-78 OR751-519 OR1207-524 OR1634-436 OR1
Taxes: 9112.88
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

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

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: No
Pool: Yes
Year Built: 1980
Lot SqFt: 14175
Lot Sqft Source: Property Data Card
Acres: 0.33
Living Apx SqFt: 2492
SqFt Source: Property Data Card
Total Bedrooms: 5
Full Baths: 4
Total Baths: 4
Rentals Allowed: With Restrictions
Min Rental Days: 28
Control Depth: 0
Total Units: 0

Association Info

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

Building Style

Above Flood: Yes
Stories: 2 Stories

More Information

Specialty Rooms

Guest/Servant Qtrs: Legal
Bath House: Yes
Workshop: Yes
Other: Yes

Pool Info

Other: Dimensions: 10 X 40
Heated: Yes
In Ground: Yes
Salt Water: Yes
Concrete: Yes
Screened In: Yes

Financial Status

Potential Short Sale: No

Remarks & Misc

Remarks – Consumer: New Price | 5 Bedrooms | Guest House | Nearly 15,000 Sq Ft Lot | Tavernier, Florida Keys More space. More flexibility. More opportunity. Welcome to The Fontaine House-- a rare Upper Keys property offering a combination that's becoming increasingly difficult to find: a main home, detached guest house, pool, and nearly 15,000 square feet of land. With 5 total bedrooms, this property was designed for real life--hosting family, welcoming guests, creating separation, working from home, or simply having room to spread out. The main residence features 3 bedrooms and 2 baths with a bright open layout centered around a kitchen built for gathering, complete with stainless appliances, gas cooktop, and wine bar. Step outside to a screened, heated saltwater pool surrounded by tropical landscaping that creates a private setting to relax and entertain. Need flexibility? A finished lower-level space with its own bathroom works beautifully as a home office, gym, or bonus space, while the whole-home generator with a 500-gallon propane tank adds peace of mind. Built in 2018, the detached 2-bedroom, 2-bath guest house offers quartz countertops, stainless appliances, and comfortable separate living. Located near schools, dining, everyday conveniences, and a nearby boat ramp for easy access to time on the water. If your Florida Keys wish list includes space, guest accommodations, and room to live beyond the ordinary--The Fontaine House is ready to be experienced in person. Buyer to verify all facts. Easy to Show!

Fee Includes

None: Yes

Dockage

None: Yes

Tax Exemptions

Homestead: Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Freezer: Yes
Gas Appliances: Yes
Microwave: Yes
Oven: Yes
Range: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes
Water Purification: Yes
Water Softener: Yes
Wine Cooler: Yes

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes

Heating

Central: Yes

Waterfront

None: Yes

Waterview

No Waterview: Yes

Floor

Tile: Yes
Vinyl: Yes

Neighborhood Feature

Other Area Features: Yes

Interior Features

Built-in Cabinets: Yes
Granite Counter Top: Yes
Pantry: Yes
Quartz Countertops: Yes
Storage: Yes
Walk-in Closet(s): Yes
Wet Bar: Yes
Window Treatments: Yes
Other: Yes

Property Condition

Updated/Remodeled: Yes

Windows/Doors

Impact Rstnce Doors: Yes
Impact Rstnce Window: Yes

Vehicle Storage

Carport: Yes
Covered Parking: Yes
Guest Parking: Yes

Construction

CBS: Yes
Concrete: Yes

Land Size

More than 1 Lot: Yes

Furnished

Unfurnished: Yes

Terms

Cash: Yes
Conventional: Yes
No Seller Finance: Yes
VA: Yes

Utilities

Buyer to Verify: Yes
FKAA: Yes
Municipal Sewer: Yes
Propane: Yes
Whole House Generatr: Yes

Porch/Balcony

Open Porch/Balcony: Yes
Roof Top Deck: Yes

Title

Title Ins - Buyer: Yes

Exterior Features

Detached Guest Qtrs: Yes
Fencing: Yes
Outdoor Shower: Yes
Storage: Yes

Roof

Concrete Roof: Yes
Metal Roof: Yes

Accessibility Feat

Accessible Doors: Yes
Accessible Full Bath: Yes
Wheelchair Ramp: Yes

GF-Interior Features

LED Lighting: Yes
Tankless Hot Wtr Htr: Yes

Property Features

Fee Includes: None Tax Exemptions: Homestead Waterfront: None Waterview: No Waterview Dockage: None Property Condition: Updated/Remodeled Vehicle Storage: Carport; Covered Parking; Guest Parking Furnished: Unfurnished Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Buyer to Verify; FKAA; Municipal Sewer; Propane; Whole House Generatr Interior Features: Built-in Cabinets; Granite Counter Top; Pantry; Quartz Countertops; Storage; Walk-in Closet(s); Wet Bar; Window Treatments; Other Specialty Rooms: Bath House; Workshop; Other Appliances: Dishwasher; Disposal; Dryer; Freezer; Gas Appliances; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Water Purification; Water Softener; Wine Cooler Exterior Features: Detached Guest Qtrs; Fencing; Outdoor Shower; Storage Accessibility Feat: Accessible Doors; Accessible Full Bath; Wheelchair Ramp Pool Info: In Ground; Salt Water; Concrete; Screened In Construction: CBS; Concrete Floor: Tile; Vinyl Roof: Concrete Roof; Metal Roof Pets: Pets Allowed Neighborhood Feature: Other Area Features Land Size: More than 1 Lot Terms: Cash; Conventional; No Seller Finance; VA Title: Title Ins - Buyer GF-Interior Features: LED Lighting; Tankless Hot Wtr Htr

Room Information

Room Name	Level	Remarks
Bedroom 1	Second	Primary ensuite bath
Bedroom 2	Second	Guest
Bedroom 3	Second	Guest
Bedroom 4	Main	Guest House Bedroom
Other Room	Second	Guest Bedroom

Listing Office: Berkshire Hathaway HomeServices Keys Real Estate - Islamorada

Last Updated: June - 01 - 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.