Roxanne Kosberg Real Estate Agent - CityFirst Realty, LLC

17875 Collins Ave Unit 3206, Sunny Isles Beach, FL For Sale $4,500,000 - listed by Roxanne Kosberg — For Sale $4,500,000

Roxanne Kosberg listing agent for 2371 Bayview Ln, North Miami, FL - sold for $4,500,000 — Sold $4,500,000

7000 Island Blvd Unit 2403, Aventura, FL For Rent $7,500/month - co-listed by Roxanne Kosberg — For Rent $7,500/month • Co-Listing Agent

7000 Island Blvd Unit 2403, Aventura, FL For Sale $1,100,000 - co-listed by Roxanne Kosberg — For Sale $1,100,000 • Co-Listing Agent

Roxanne Kosberg buyer's agent for 21205 Yacht Club Dr Unit 3003, Aventura, FL - sold for $690,000 — Sold $690,000

Roxanne Kosberg

Sunny Isles Beach FL

CityFirst Realty, LLC

18 Closed Sales

$28.6M Total Value

$525K - $4.5M Price Range

$1.6M Average Price

Prior 5 years

About Roxanne

Home Types: Condo, House

Years of Experience: 21

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	3
Total Value	$7,360,000
Average Sale Price	$2,453,333
Price Range	$1.2M - $4.5M

Buyer Deals
Total Deals	2
Total Value	$2,105,000
Average Sale Price	$1,052,500
Price Range	$690K - $1.4M

Seller Deals
Total Deals	3
Total Value	$7,360,000
Average Sale Price	$2,453,333
Price Range	$1.2M - $4.5M

Buyer Deals
Total Deals	2
Total Value	$2,105,000
Average Sale Price	$1,052,500
Price Range	$690K - $1.4M

Seller Deals
Total Deals	13
Total Value	$23,710,000
Average Sale Price	$1,823,846
Price Range	$525K - $4.5M

Buyer Deals
Total Deals	5
Total Value	$4,870,000
Average Sale Price	$974,000
Price Range	$690K - $1.4M

5 Year View

Areas Roxanne is Experienced In

Roxanne's Listings and Deals

Roxanne's Active Listings

$4,500,000
- 4 Beds
- 4 Baths
- 2,736 Sq Ft
17875 Collins Ave

Unit 3206

Sunny Isles Beach, FL
Acqualina Resort and Residences. A world of Luxury and Sophistication. Stunning oceanfront residence where you can enjoy magnificent ocean and intracoastal views from his high floor residence. Let yourself be pampered at the legendary 5 Star 5 Diamond lifestyle of Acqualina and its unparalleled amenities, featuring a world renowned spa, multiple magnificently curated oceanfront pools and

Roxanne Kosberg CityFirst Realty, LLC

$11,500,000
- 3 Beds
- 4.5 Baths
- 4,154 Sq Ft
18555 Collins Ave

Unit 3501

Sunny Isles Beach, FL
A masterpiece residence for the most discriminate Buyer who loves the best automobiles & has a passion for art in every form. Totally restructured from floor to ceiling, customized & exquisitely designed with the finest brands & materials. From Chef Kitchen by Bulthaup to a an Agape Cuna bathtub. Every single detail is a work of art, from the choice of flooring, finishes, extensive hidden

Roxanne Kosberg CityFirst Realty, LLC

$1,242,000
- 2 Beds
- 2 Baths
- 1,435 Sq Ft
16001 Collins Ave

Unit 1705

Sunny Isles Beach, FL
Oceanfront building, 2 bedrooms 2 bathrooms, furnished with large balcony. HOA fees, Building is $1,067.86/month and Master Assn is $731.62/month = $1,799.48/month. Property rented until August 2026.

Roxanne Kosberg CityFirst Realty, LLC

Co-Listing Agent

$1,100,000
- 2 Beds
- 2 Baths
- 1,580 Sq Ft
7000 Island Blvd

Unit 2403

Aventura, FL
Buyer pays a $15,000 Club Membership initiation fee at closing; annual fees: $1,500 Club Membership (gym, paddle, tennis, pickleball) + $2,000 for restaurants or activities. POA is $980/month.

Roxanne Kosberg CityFirst Realty, LLC

Co-Listing Agent

$330,000
- 1 Bed
- 1.5 Baths
- 1,003 Sq Ft
900 Bay Dr

Unit 311

Miami Beach, FL
Bright and inviting, spacious 1-bedroom, 1 bathroom + powder room, with bay views from the balcony and floor-to-ceiling windows. New master bathroom, new powder room, and new bedroom flooring. Large walk-in closet. Bay-front living in the iconic King Cole Condominium, designed by architect Morris Lapidus.Easy to show. Prime location—minutes to the beach, stores, and restaurants.King Cole

Roxanne Kosberg CityFirst Realty, LLC

Co-Listing Agent

$580,000
- 1 Bed
- 1 Bath
- 772 Sq Ft
6801 Collins Ave

Unit 718 (deed 707)

Miami Beach, FL
Experience breathtaking direct ocean views from every room. Embrace the ultimate lifestyle at the Carillon Beach Resort and Hotel in Miami Beach, featuring luxurious amenities and access to the renowned Carillon wellness resort, spa, fitness center, four pools, beach club, full-service concierge, restaurant and bar, valet parking. The most unique fitness gym and spa in South Florida. Your ideal

Roxanne Kosberg CityFirst Realty, LLC

Co-Listing Agent

$7,500 per month
- 2 Beds
- 2 Baths
- 1,580 Sq Ft
7000 Island Blvd

Unit 2403

Aventura, FL
2-bedroom, 2-bath furnished apartment overlooking the pool and tennis courts. All marble floors, comfortably furnished. Spa membership included.

Roxanne Kosberg CityFirst Realty, LLC

Co-Listing Agent

$4,900 per month
- 2 Beds
- 2 Baths
- 1,350 Sq Ft
1000 W Island Blvd

Unit 2412

Aventura, FL
Furnished 2/2 with views of the lagoon down to the City of Miami. Includes a Spa membership; food and Beverage POA minimums apply to the tenant's account. New furniture. Available for yearly rental as of September 18, 2026.

Roxanne Kosberg CityFirst Realty, LLC

Recently Sold

$1,200,000

Sold Mar 4, 2026
- 3 Beds
- 3.5 Baths
- 1,862 Sq Ft
6101 Aqua Ave

Unit 303

Miami Beach, FL
- 41% Below List
- 601 Days On Market
- $644/SF
- Current Est. Value $1M
Roxanne Kosberg CityFirst Realty, LLC

$4,500,000

Sold Aug 22, 2025
- 4 Beds
- 4 Baths
- 3,281 Sq Ft
2371 Bayview Ln

North Miami, FL
- 6% Below List
- 77 Days On Market
- $1,372/SF
- Current Est. Value $5M
Roxanne Kosberg CityFirst Realty, LLC

$1,660,000

Sold Jul 17, 2025
- 3 Beds
- 2.5 Baths
- 2,030 Sq Ft
6000 Island Blvd

Unit 2104

Aventura, FL
- 7% Below List
- 108 Days On Market
- $818/SF
- Current Est. Value $2M
Roxanne Kosberg CityFirst Realty, LLC

$3,600,000

Sold Sep 29, 2023
- 2 Beds
- 2.5 Baths
- 1,622 Sq Ft
6901 Collins Ave

Unit 1603

Miami Beach, FL
- 14% Below List
- 1,418 Days On Market
- $2,219/SF
- Current Est. Value $3M
Roxanne Kosberg CityFirst Realty, LLC

$910,000

Sold Jun 1, 2023
- 2 Beds
- 2 Baths
- 1,750 Sq Ft
7000 Island Blvd

Unit 1610

Aventura, FL
- 10% Above List
- 557 Days On Market
- $520/SF
- Current Est. Value $947K
Roxanne Kosberg CityFirst Realty, LLC

$1,055,000

Sold May 20, 2022
- 4 Beds
- 4 Baths
- 2,670 Sq Ft
5757 Collins Ave

Unit 1201

Miami Beach, FL
- 11% Below List
- 177 Days On Market
- $395/SF
- Current Est. Value $1M
Roxanne Kosberg CityFirst Realty, LLC

$1,700,000

Sold May 19, 2022
- 3 Beds
- 4.5 Baths
- 2,870 Sq Ft
7000 Island Blvd

Unit 2507

Aventura, FL
- 32 Days On Market
- $592/SF
- Current Est. Value $2M
Roxanne Kosberg CityFirst Realty, LLC

$1,310,000

Sold Mar 8, 2022
- 3 Beds
- 2.5 Baths
- 1,980 Sq Ft
5757 Collins Ave

Unit 1706

Miami Beach, FL
- 6% Below List
- 115 Days On Market
- $662/SF
- Current Est. Value $2M
Roxanne Kosberg CityFirst Realty, LLC

$2,450,000

Sold Feb 2, 2022
- 3 Beds
- 3 Baths
- 2,214 Sq Ft
17875 Collins Ave

Unit 3102

Sunny Isles Beach, FL
- 9% Below List
- 130 Days On Market
- $1,107/SF
- Current Est. Value $3M
Roxanne Kosberg CityFirst Realty, LLC

Agent License: Florida 0649110

Roxanne Kosberg

(877) 760-0985

CityFirst Realty, LLC

(877) 760-0985

Nearby Homes

Roxanne Kosberg

About Roxanne

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Areas Roxanne is Experienced In

Roxanne's Listings and Deals

Roxanne's Active Listings

Recently Sold