6403 Gulf Of Mexico Blvd #403, Marathon, FL 33050 - Photo 1

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$1,250,000

For Sale
Active
Condo
3 Beds
2 Full Baths
1,902 Sq. Ft.
Updated 5 days ago

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Property Description

Fully Remodeled Top Floor Majestic Beach Paradise! The Best Only! Modern Masterpiece! Paradise Awaits with Stunning Versace & Marble Tile, His and Hers Closets, Master Spa Shower with Soak Tub, Private Parking, All New Everything! 3 Bedroom 2 Bathroom 1902 SQFT, Quartz Countertops, All New Stainless Steel Appliances, Wet Bar, Wraparound Balcony, Stunning Bedroom & Balcony Views, 9ft Ceilings Move in Ready! Close to All the Best Eats! Tennis Courts, Marina, Jacuzzi & Lagoon Pool, Gated Community, Gym, Impact Windows & More! Live in the heart of the Middle Keys - minutes from the best local dining: Steak & Lobster Island Fish Co. Castaway Sparky's Landing Isla Bella Nearby Beaches & Attractions: Sombrero Beach - One of the top beaches in the Florida Keys Coco Plum Beach - Quiet, scenic, perfect for walks & sunsets. Turtle Hospital - A unique and popular family-friendly attraction. SALE INCLUDES 24FT BOAT AND 30x14 FT BOAT SLIP!

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Full Property Details

Full Property Details for 6403 Gulf of Mexico Blvd #403

General

Price: $1,250,000
HOA FEE: $1,993/month
HOA FEE FREQ.: Quarterly
Taxes: $7,203 (2024)
Status: Active
Type: Condo
Source: Greater_Miami
MLS ID: A11923489
Updated: 1/13/2026
Added to Site: 47 day(s) ago

Interior

Interior Features: Volume Ceilings
Appliances: Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
Flooring: Tile

Rooms

Bathrooms

Total Bathrooms: 2
Full Bathrooms: 2

Bedrooms

Total Bedrooms: 3
Bedroom Features: Entry Level

Additional Information

Shared Amenities: Boat Dock, Exercise Room, Pool, Sauna, Tennis Court(s)
Maint. Includes: Common Area
Security/Safety: Smoke Detector, Complex Fenced, Phone Entry, Guard At Site

Exterior

Exterior Features: Other, Screened Balcony, Tennis Court(s)
Deck/Patio: Wrap Around

Parking

Parking Features: 2 Or More Spaces, Guest

Location

Area: Seawatch Condominium
County: Monroe County
Subdivision: SEAWATCH CONDOMINIUM
Building Name: SEAWATCH

School Information

Elementary School: Starlight Cove
Middle School: Margate Middle

Community

Community Name: Seawatch Condominium
Association: Yes
Units Assoc/Comm: 48
Pets Allowed: Yes

Heating & Cooling

Air Conditioning: Yes
Cooling Type: Central Air
Heating Type: Central

Structural Information

Structure Type: Condo 1-4 Stories, Condo
Detached/Attached: Attached
Construction: Concrete Block Construction
Windows: Complete Impact Glass, Blinds, High Impact Windows
Entry Floor Number: 4
Building Size: 1602
Square Feet: 1,902
Living Area: 1,902 Sq. Ft.
Year Built: 1983

Unit Information

Units in Complex: 48

Lot Features

Property View: Ocean View, Direct Ocean, Pool Area View, Water View

Water Features

Water Front: Yes
Water View: Yes
Water Front Desc.: Ocean Access, Ocean Front

Financial Considerations

Price Per Sq. Ft.: $657.2
Association Fee: $5,978
Assoc Fee Freq.: Quarterly
Tax Amount: $7,203
Tax Year: 2024
Terms: All Cash, Conventional

Disclosures and Reports

Legal Description: SEAWATCH AT MARATHON PHASE III A CONDOMINIUM BLDG 6 UNIT 403 OR899-2314/16 OR1005-1715C/T OR1166-319/20 OR1183-212 OR1368-484 OR1743-1777 OR
Restrictions: No Restrictions
Inclusions: Dock Available, Private Dock, Dock Owned/Included
Property ID: 00104133-003100

Listed by Nations Best Realty, Inc.

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Schools

Schools serving 6403 Gulf of Mexico Blvd #403

School District:Monroe County School District, Middle Torch Key, FL

Name	Grades	Distance
Stanley Switlik Elementary School 3400 Overseas Highway, Marathon, FL 33050	PK-5	4.3 mi
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050	6-12	3.6 mi

Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 6403 Gulf of Mexico Blvd #403 Get Price Alerts and Save Property

Date

Details

Price

Change

Source

12/02/2025

Listed

$1,250,000

212.5%

MLS

10/15/2024

Sold

$400,000

—

Public Record

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Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History

Tax History for 6403 Gulf of Mexico Blvd #403

Year

Property Taxes

Change

Tax Assessment

Change

2024

$4,222

—

$720,877

17%

2024

$4,222

7%

$615,056

8%

2023

$3,938

16%

$567,152

38%

2022

$3,401

29%

$410,862

142%

2021

$2,629

-6%

$169,722

-11%

2019

$2,794

3%

$190,177

—

2018

$2,718

-22%

$190,177

-31%

2017

$3,504

-2%

$274,014

—

2016

$3,589

—

$274,014

—

2015

$3,595

-9%

$274,014

-10%

2014

$3,971

3%

$304,460

5%

2013

$3,851

—

$289,962

—

View All

Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost

Estimate the Cost for 6403 Gulf of Mexico Blvd #403

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$1,100,000

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3
Beds
2
Total Baths
1,152
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Listed by Cypress Realty, Inc., Shane Murray Wilson
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Sold

$1,337,500

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4
Beds
4
Total Baths
1,517
Sq. Ft.

1190 91st Ct Ocean, Marathon, FL 33050 - Photo 1

Sold

$1,100,000

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Single Family
Closed

3
Beds
2
Total Baths
1,056
Sq. Ft.

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Sold

$1,100,000

1190 91st St Ocean Marathon, FL 33050

Single Family
Closed

3
Beds
2
Total Baths
1,056
Sq. Ft.

Listed and Sold by La Costa Homes Realty, Maria Nazur

6403 Gulf Of Mexico Blvd #403, Marathon, FL 33050 (MLS# A11923489) is a Condo property with 3 bedrooms and 2 full bathrooms. 6403 Gulf Of Mexico Blvd #403 is currently listed for $1,250,000 and was received on December 02, 2025. Want to learn more about 6403 Gulf Of Mexico Blvd #403? Do you have questions about finding other Condo real estate for sale in Marathon? You can browse all Marathon real estate or contact a Coldwell Banker agent to request more information.

6403 Gulf of Mexico Blvd #403 Marathon, FL 33050