SEAWATCH CONDOMINIUM

6403 Gulf Of Mexico Blvd # 403, Marathon FL 33050

3 beds · 2 baths · 1,902 ft²

For Sale · Active Listing

$1,250,000

Est. Payment $6,653/mo

MLS Sheet Video

3

Bedrooms

2

Bathrooms

1,902

Sq. Ft.

1983

Year Built

4

Stories

143

Days on Market

Description

Fully Remodeled Top Floor Majestic Beach Paradise! The Best Only! Modern Masterpiece! Paradise Awaits with Stunning 24FT BOAT AND 30x14 FT BOAT SLIP! 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.

Facts

MLS#
A11923489
Subdivision
SEAWATCH CONDOMINIUM
Property Type
Residential
Property Sub Type
Condominium
Year Built
1983
Lot Size
0 sqft
Sq. Ft.
1,902 ft²
Sq. Mt.
177 m²
Price per sq. ft.
$657/ft²
Price per sq. mt.
$7,062/m²
Stories
4
Garage
Pool
Days on Market
143 days
Listed
Dec 2, 2025
Last Updated
Apr 24, 2026
Price/Lot Sq.Ft.

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Marathon

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

39

Median days to sold

+4.5%

1-year price forecast (est.)

Price & tax history

From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).

12/2/2025Listed for sale$1,250,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

6403 Gulf Of Mexico Blvd # 403, Marathon FL 33050Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$7,845/mo

Principal & Interest

$6,653

Property Tax

$1,042

Insurance

$150

HOA

$0

20% ($250,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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Updated within 24 hours

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