Welcome to 8403 Gulf of Mexico Blvd Marathon, Florida in exclusive Seawatch Condominiums. This one-of-a-kind, customized penthouse condo boasts only the best views and comes with a 40' boat slip equipped with a 30k lb. lift. This residence was renovated down to the concrete, offering unparalleled luxury and sophistication. Just stepping into the unit you will be captivated as the expansive windows bring sweeping views of both the Atlantic and the Gulf into the space. Custom touches to the living space include: custom wood paneling lining the open living space, a unique wood paneled office/lounge, hard wired Lutron blinds, custom cherry cabinetry, top-of-the-line stainless steel appliances, Sonos speakers throughout, river reclaimed Dade county pine flooring throughout, impeccable stone work in the bathrooms and all within an spacious open floor style living area.
Seawatch offers an array of amenities such as: securely gated entrance, a fully-equipped gym, a large on-site storage barn, ample space to store your boat and RV, newly renovated resort sized pool, spa and cabana, club house, tennis and pickle ball courts, lush tropical landscaping and gardens and marina offering protective dockage.
Sold for $1,575,000
$1,575,000
8403 Gulf Of Mexico Blvd #403, Marathon, FL 33050
2beds
2,004sqft
Condominium
Built in 1983
-- sqft lot
$1,575,200 Zestimate®
$786/sqft
$4,316 Estimated rent
Home value
$1,575,200
$1.42M - $1.75M
$4,316/mo
Zestimate® history
Owner options
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$4,316/mo
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$4,316/mo
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$15,982/mo
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List your homeWhat's special
Securely gated entranceSpa and cabanaCustom cherry cabinetrySonos speakers throughoutHard wired lutron blindsTop-of-the-line stainless steel appliancesMarina offering protective dockage
Zillow last checked:
Listing updated:
Listed by:
The Owen Lucas Team 305-393-0559,
Berkshire Hathaway HomeServices Keys Real Estate
Bought with:
The Owen Lucas Team, 653995
Berkshire Hathaway HomeServices Keys Real Estate
Source: FLKMLS,MLS#: 619154
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Has Heating (Unspecified Type)
Cooling
- Central Air, Ceiling Fans(s)
Appliances
- Included: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Wine Cooler, Stainless Steel Appliance(s)
Features
- Built-in Features, Elevator, Storage, Walk-in Closet(s), Quartz Countertops
- Flooring: Wood, Marble
Interior area
- Total structure area: 2,004
- Total interior livable area: 2,004 sqft
Property
Features
- Patio & porch: No Porch/Balcony
- Exterior features: Bar, Storage, Tennis Court(s)
- Has private pool: Yes
- Pool features: In Ground, Concrete
- Fencing: Fenced
- On waterfront: Yes
Details
- Parcel number: 00104131003100
- Zoning: RM - Residential Medium
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
Materials
- CBS
Condition
- Updated/Remodeled
- New construction: No
- Year built: 1983
Utilities & green energy
- Utilities for property: Elect Separate Meter, Cable Available
Community & HOA
Community
- Features: Clubhouse, Manager on Premises
- Security: Security Gate, Building Security
- Subdivision: Seawatch (53.5)
HOA
- Has HOA: Yes
- Services included: Pest Control, Maintenance Structure, Insurance, Common Area Mnt, Security
- HOA fee: $6,464 quarterly
Location
- Region: Marathon
Financial & listing details
- Price per square foot: $786/sqft
- Tax assessed value: $923,108
- Annual tax amount: $8,493
- Date on market: 3/22/2026
- Listing terms: Cash,Conventional
Price history
| Date | Event | Price |
|---|---|---|
| 7/28/2026 | Sold | $1,575,000-1.3%$786/sqft |
Source:  FLKMLS #619154 Report a problem | ||
| 6/30/2026 | Contingent | $1,595,000$796/sqft |
Source: FLKMLS #619154 Report a problem | ||
| 4/10/2026 | Price change | $1,595,000-6.1%$796/sqft |
Source:  Key West AOR #619154 Report a problem | ||
| 3/22/2026 | Listed for sale | $1,699,000+30.8%$848/sqft |
Source: Key West AOR #619154 Report a problem | ||
| 8/10/2024 | Contingent | $1,299,000$648/sqft |
Source: FLKMLS #611010 Report a problem | ||
| 8/6/2024 | Listed for sale | $1,299,000+216.8%$648/sqft |
Source: FLKMLS #611010 Report a problem | ||
| 7/19/2000 | Sold | $410,000$205/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,493 +275.1% | $923,108 +318.9% |
| 2024 | $2,264 +4.7% | $220,370 +3% |
| 2023 | $2,162 +1.9% | $213,952 +3% |
| 2022 | $2,121 +0.3% | $207,721 +3% |
| 2021 | $2,115 +1.3% | $201,671 |
| 2020 | $2,088 | $201,671 -10.9% |
| 2019 | $2,088 -10.2% | $226,349 |
| 2018 | $2,325 +3.1% | $226,349 -17.4% |
| 2017 | $2,254 -16.5% | $274,014 |
| 2016 | $2,699 -2.6% | $274,014 |
| 2015 | $2,772 | $274,014 |
Find assessor info on the county website
Neighborhood: 33050
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Nearby schools
GreatSchools rating
- 5/10Stanley Switlik Elementary SchoolGrades: PK-5Distance: 4.4 mi
- 5/10Marathon SchoolGrades: 6-12Distance: 3.7 mi
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Estimated market value
$1,575,200
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$1,575,200
- Florida
- Monroe County
- Marathon
- 33050
- 8403 Gulf Of Mexico Blvd Unit 403
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