New Listing
$4,950,000
 $26,573 est/mo Sourced by Back At You

143 Dorsett Drive,MARATHON, FL 33050

MARATHON, FL 33050

Share:

PreviousNext

Description

Introducing - Casa Del Mar Estate - this exceptional new home offers a rare level of privacy, scale, and waterfront living on an expansive 26,000+ square foot lot accessed by a private road. Designed to take full advantage of its spectacular setting, the property enjoys unobstructed ocean views and an effortless connection between the residence and the surrounding water. The main living quarters offer four bedrooms and three bathrooms, complemented by substantial finished storage space on the lower level. Built with quality and longevity in mind, the residence features impact-resistant windows and doors, a durable metal roof, concrete construction, and premium finishes throughout, offering the ideal combination of style, security, and peace of mind for waterfront living in the Florida Keys. Beyond the residence, the grounds have been thoughtfully designed for refined outdoor living and entertaining, with a resort-style pool positioned directly toward the ocean and a beautifully appointed gazebo creating the perfect setting for sunset gatherings and private celebrations. An outdoor kitchen, pool table, and table tennis area further extend the living space outdoors, creating an environment equally suited to relaxed afternoons with family or elegant entertaining with guests. The waterfront experience is equally impressive, with generous dockage and a new 20,000-pound boat lift, providing exceptional convenience for boating. Two substantial outdoor sheds offer additional storage for boat side essentials, tools, fishing equipment, and water toys, while the expansive grounds provide something rarely found in the Keys: meaningful room for future expansion. A generous portion of the property remains available for new owners to reimagine and potentially add a guest house, A rare combination of privacy, expansive oceanfront grounds, unobstructed views, exceptional boating amenities, and future expansion potential, offering the ultimate Florida Keys lifestyle.

Details

MLS #621424
Listing TypeFor Sale
StyleHouse
Sub-TypeResale
StatusActive
Year2024
Days On Site3
Listing Provided ByEngel & Völkers Marathon | Saara Victoria Staten

Features

Bed(s)4
Bath(s) 3 Total
SQ Feet2,121
PoolYes
ZoningRM - Residential Medium
Acreage0.66
Water FrontYes
Property ViewOpen Water View, Bay

Taxes

Property21084

Area Information

StateFL
CountyMonroe
CityMARATHON
Zip Code33050
Area19 Crawl Key & Grassy Key
Community NameDorsett Sub (59.0)
Listing VS Median (in Dorsett Sub (59.0))
Price:
$4,950,000
low | high
Med:
$4,950,000
50% of Average
sqft:
2,121
low | high
Med:
2,121
50% of Average
$ / sqft:
$2,334
low | high
Med:
$2,334
50% of Average
On site:
3
low | high
Med:
3
100% of Average
Sourced by Back At You

Market Activity 33050

Request a showing

Request a showing

Contact


Additional Information


Showing Information


Submit Form

Required Field
I agree to be contacted by Coldwell Banker Schmitt Real Estate Co. via call, email, and text for real estate services. To opt out of texts, you can reply 'stop' at any time or reply 'help' for assistance. You can also click the unsubscribe link in the emails. Message and data rates may apply. Message frequency may vary. Our Privacy Policy is explained at https://www.realestatefloridakeys.com/privacy-policy.
MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys Board of Realtors.

The data relating to real estate for sale on this web site come s in part from the Internet Data Exchange program of the Marathon and Lower Keys Association of REALTORS®, Inc. MLS. Real Estate listings held by brokerage firms other than Coldwell Banker Schmitt are marked with the MLS logo and detailed information about them includes the name of the listing broker’s office.

Realtor Mls Logo PNG Vector (EPS) Free Download

Contact

Learn More About This Property

StateFL
CountyMonroe
CityMARATHON
Zip Code33050
Area19 Crawl Key & Grassy Key
Community NameDorsett Sub (59.0)
Listing VS Median (in Dorsett Sub (59.0))
Price:
$4,950,000
low | high
Med:
$4,950,000
50% of Average
sqft:
2,121
low | high
Med:
2,121
50% of Average
$ / sqft:
$2,334
low | high
Med:
$2,334
50% of Average
On site:
3
low | high
Med:
3
100% of Average
Sourced by Back At You
Listing Updated: September 28, 2026 at 11:57:32 PM PDT