307 Sombrero Blvd Unit 2, Marathon, FL For Sale $699,000 - listed by Bonnie Sanderson — For Sale $699,000

Section Image — For Sale $699,000

Bonnie Sanderson listing agent for 321 Calzada de Bougainvillea, Marathon, FL - sold for $1,940,000 — Sold $1,940,000

341 3rd St, Key Colony Beach, FL For Sale $789,000 - listed by Bonnie Sanderson — For Sale $789,000

Section Image — For Sale $789,000

Bonnie Sanderson buyer's agent for 391 5th St, Key Colony Beach, FL - sold for $850,000 — Sold $850,000

901 46th St, Marathon, FL For Sale $2,799,000 - listed by Bonnie Sanderson — For Sale $2,799,000

Section Image — For Sale $2,799,000

Bonnie Sanderson listing and buyer's agent for 10877 Overseas Hwy Unit 101, Marathon, FL - sold for $347,500 — Sold $347,500

Bonnie Sanderson buyer's agent for 371 12th St, Key Colony Beach, FL - sold for $1,705,000 — Sold $1,705,000

Bonnie Sanderson listing agent for 11300 1st Avenue Gulf, Marathon, FL - sold for $880,000 — Sold $880,000

Bonnie Sanderson

Florida Keys Real Estate Group

18 Closed Sales

$17.7M Total Value

$347.5K - $4.8M Price Range

$985.4K Average Price

Prior 5 years

About Bonnie

Home Types: Townhouse, Commercial, MultiFamily, House, Manufactured

Years of Experience: 16

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	2
Total Value	$2,287,500
Average Sale Price	$1,143,750
Price Range	$348K - $1.9M

Seller Deals
Total Deals	4
Total Value	$3,891,500
Average Sale Price	$972,875
Price Range	$348K - $1.9M

Buyer Deals
Total Deals	1
Total Value	$850,000
Average Sale Price	$850,000

Seller Deals
Total Deals	10
Total Value	$11,756,500
Average Sale Price	$1,175,650
Price Range	$348K - $4.8M

Buyer Deals
Total Deals	8
Total Value	$5,979,900
Average Sale Price	$747,488
Price Range	$350K - $1.7M

5 Year View

Bonnie's Active Listings

$699,000
- 2 Beds
- 1.5 Baths
- 1,190 Sq Ft
307 Sombrero Blvd

Unit 2

Marathon, FL
A rare two story CBS townhouse condo with both open water views and an assigned boat slip overlooking scenic Boot Key Harbor in desirable and quiet Sombrero area neighborhood. Located adjacent to Sombrero golf course. Deep water and boating access to Atlantic Ocean or Gulf. Remodeled lower level has open concept, modern kitchen with island and Corian countertops. All oak wood cabinets, ceramic

Bonnie Sanderson Florida Keys Real Estate Group

$789,000
- 2 Beds
- 2 Baths
- 900 Sq Ft
341 3rd St

Key Colony Beach, FL
Priced to sell! Half Duplex in the beautiful community of Key Colony Beach. Short walk to the Cabana Club. Plenty of parking. 30 feet of dockage. Remodeled with top quality finishes. Entry doors are Anderson impact, windows are Dbl. Pane PGT, sliding glass doors are Low-E Anderson. All stainless appliances, granite counters, 7'' insulation in ceiling throughout, tile flooring, Key Colony Beach

Bonnie Sanderson Florida Keys Real Estate Group

$2,799,000
- 6 Beds
- 4 Baths
- 3,047 Sq Ft
901 46th St

Marathon, FL
Two homes on open water for the price of one! Over 18,000 square foot lot, bay bottom, two building rights. Wake up to endless Gulf views and fall asleep to breathtaking sunsets at this rare waterfront estate.Tucked away at the end of a quiet road, this unique multi-family property sits directly on the Gulf, offering unmatched privacy, open water views, and direct boating access. Whether

Bonnie Sanderson Florida Keys Real Estate Group

Recently Sold

$1,940,000

Sold Jun 30, 2026
- 5 Beds
- 4 Baths
- 3,132 Sq Ft
321 Calzada de Bougainvillea

Marathon, FL
- 15% Below List
- $619/SF
- 118 Days On Market
- Current Est. Value $2M
Bonnie Sanderson Florida Keys Real Estate Group

$347,500

Sold Jan 2, 2026
- 1 Bath
- 386 Sq Ft
10877 Overseas Hwy

Unit 101

Marathon, FL
- 17% Below List
- $900/SF
- 275 Days On Market
- Current Est. Value $355K
Bonnie Sanderson Florida Keys Real Estate Group

$724,000

Sold May 23, 2025
- 2 Beds
- 2 Baths
- 902 Sq Ft
85 Coral Ln

Key Colony Beach, FL
- 9% Below List
- $803/SF
- 300 Days On Market
- Current Est. Value $781K
Bonnie Sanderson Florida Keys Real Estate Group

$880,000

Sold Mar 21, 2025
- 3 Beds
- 2 Baths
- 1,275 Sq Ft
11300 1st Avenue Gulf

Marathon, FL
- 20% Below List
- $690/SF
- 103 Days On Market
- Current Est. Value $1M
Bonnie Sanderson Florida Keys Real Estate Group

$980,000

Sold Apr 15, 2024
- 3 Beds
- 2 Baths
- 960 Sq Ft
757 98th St

Marathon, FL
- 2% Below List
- $1,021/SF
- 1 Day On Market
- Current Est. Value $1M
Bonnie Sanderson Florida Keys Real Estate Group

$550,000

Sold Mar 9, 2023
- 2 Beds
- 2 Baths
- 1,080 Sq Ft
59763 Paradise Place

Marathon, FL
- $509/SF
- 0 Days On Market
Bonnie Sanderson Florida Keys Real Estate Group

Agent License: New Mexico 3209351

Bonnie Sanderson

(888) 617-3672

Florida Keys Real Estate Group

(888) 617-3672

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