A Rare Investment Opportunity in the Heart of Old Town Key West. NIGHTLY rentals allowed. Introducing The Watson House--one of the largest and most versatile TRANSIENTLY licensed estates in Key West. Situated just one block off Duval Street on iconic Simonton Street, this 11-bedroom, 11-bath compound spans two distinct residences: a stately 7-bedroom mansion and a sleek, modern 4-bedroom villa--each with its own private pool.Zoned with two transient licenses and off-street parking for 4+ vehicles, this exceptional property offers unmatched flexibility for luxury rentals or private use.The grand mansion was reimagined in July 2022 by a local designer, featuring fresh paint, stylish new furnishings, and 12-foot soaring ceilings. The main level includes two guest rooms with baths, formal living and dining rooms, a parlor, and a well-appointed kitchen that opens to the pool deck and outdoor dining area.Upstairs, four en suite bedrooms include two primary suites with private balconies--one overlooking Simonton Street, the other with views of the pool. A spacious third-floor suite, accessed via an interior or exterior staircase, offers a private living room, wet bar, and yet another balcony retreat.The villa, renovated to the studs in 2014, offers a clean, contemporary design with 4 bedrooms, 4 baths, full kitchen, living area, private pool, and outdoor bar--perfect for entertaining.Whether you choose to rent the estate in its entirety or as two separate homes, The Watson House is a rare asset in Key West's luxury rental market--highly sought-after and consistently booked well in advance.
For sale
Price cut: $205K (3/5)
$7,490,000
525 Simonton St, Key West, FL 33040
11beds
3,034sqft
Est.:
Single Family Residence
Built in 1889
8,269 Square Feet Lot
$-- Zestimate®
$2,469/sqft
$-- HOA
What's special
- 278 days |
- 1,745 |
- 38 |
Zillow last checked: 7 hours ago
Listing updated: March 05, 2026 at 05:08am
Listed by:
Paige Bethel 305-395-0550,
Island Home Realty Inc.
Source: FLKMLS,MLS#: 615623
Originating MLS: Key West Association
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 11
- Bathrooms: 11
- Full bathrooms: 11
Cooling
- Central Air, Ductless
Appliances
- Included: Dryer, Stainless Steel Appliance(s), Freezer, Microwave, Refrigerator, Dishwasher
Features
- Storage, Built-in Cabinets
- Windows: Drapes/Blinds Incl, Window Treatments, Skylight(s)
- Furnished: Yes
Interior area
- Total interior livable area: 3,034 sqft
Property
Parking
- Total spaces: 4
- Parking features: Open, Off Street
- Has uncovered spaces: Yes
Features
- Levels: 3 Stories
- Stories: 3
- Exterior features: Storage
- Has private pool: Yes
- Pool features: Heated, In Ground, Decked, Concrete
- Fencing: Fenced
- Water view: None
- Waterfront features: None, Dockage: None
Lot
- Size: 8,269 Square Feet
- Features: Less Than 1/4 Acre
Details
- Parcel number: 00009240000000
- Zoning: HRCC
- Zoning description: Historic Residential Commercial Core
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame, Hardi Board Siding
Condition
- Year built: 1889
Utilities & green energy
- Sewer: Public Sewer
- Utilities for property: Buyer to Verify
Community & HOA
Community
- Security: Smoke Detector(s)
- Subdivision: Old Town - Unrecord (1.0)
HOA
- Has HOA: No
- Services included: None
Location
- Region: Key West
Financial & listing details
- Price per square foot: $2,469/sqft
- Annual tax amount: $51,759
- Date on market: 7/1/2025
Estimated market value
Not available
Estimated sales range
Not available
$6,577/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 3/5/2026 | Price change | $7,490,000-2.7%$2,469/sqft |
Source: | ||
| 1/29/2026 | Price change | $7,695,000-3.8%$2,536/sqft |
Source: | ||
| 7/1/2025 | Price change | $7,995,000-0.1%$2,635/sqft |
Source: | ||
| 1/10/2025 | Price change | $7,999,000-5.9%$2,636/sqft |
Source: | ||
| 6/3/2024 | Listed for sale | $8,500,000$2,802/sqft |
Source: | ||
| 6/1/2024 | Listing removed | -- |
Source: | ||
| 3/13/2024 | Price change | $8,500,000-5.5%$2,802/sqft |
Source: | ||
| 5/8/2023 | Listed for sale | $8,999,000+25.3%$2,966/sqft |
Source: | ||
| 12/31/2021 | Sold | $7,180,000+199.2%$2,367/sqft |
Source: Agent Provided Report a problem | ||
| 5/20/2004 | Sold | $2,400,000$791/sqft |
Source: | ||
Public tax history
Public tax history
Tax history is unavailable.BuyAbility℠ payment
Est. payment
$42,469/mo
Principal & interest
$37351
Property taxes
$5118
More affordability tools
Climate risks
Neighborhood: Old Town
Nearby schools
GreatSchools rating
- 4/10Gerald Adams Elementary SchoolGrades: PK-5Distance: 3.8 mi
- NAMonroe Virtual FranchiseGrades: K,2-3,5-12Distance: 0.6 mi
- 3/10Key West High SchoolGrades: 9-12Distance: 1.5 mi
Local experts in 33040
- Florida
- Monroe County
- Key West
- 33040
- Old Town
- 525 Simonton St
