110 Washington Avenue, Unit 1709Miami Beach, FL 33139Price: $1,695,000

  • Price: $1,695,000
  • Est. Mortgage of $/month
$
$
%
$/month over payments
Federal 30-year interest rate: 6.66% last updated on Aug 27, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $1,695,000List Price
  • 2Bedrooms
  • 2Full Bath
  • 1,196Square Feet
Extraordinary 1,196 SF lower penthouse at Cosmopolitan Residences in South of Fifth. This one-of-a-kind 2-bedroom, 2-bath residence features an oversized, lanai-style private patio, along with views toward the Atlantic Ocean and Government Cut from the interiors and balcony, offering a unique vantage point for watching passing cruise ships. Inside, a lavish Zen-French inspired renovation layers natural stone, warm woods, bamboo and bronze with original art, bespoke built-ins and distinctive design details. Featured in French design publication Hors-Série Décoration as “intérieurs de rêve,” (“dream interiors”) the residence is offered fully furnished and turn-key. Every element was individually selected, custom designed or meticulously assembled, from the furniture, artwork and curated décor to the lighting, high-end appliances and motorized window treatments. Far from a residence furnished from a showroom, the interiors were conceived as a complete composition, with materials, furnishings, art and décor thoughtfully brought together to create an aesthetic that feels both timeless and unmistakably original. Ideally located at the southern end of South of Fifth, moments from the beach, marina, dining and the neighborhood’s vibrant waterfront lifestyle.

Property Details of 110 Washington Avenue, Unit 1709

Property Details

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Mortgage Calculator


$
$
%
Est. Mortgage:
$/month over payments
Federal 30-year interest rate: 6.66% last updated on Aug 27, 2026. * The above figures are estimates provided by Union Street Media using the FRED® API, and are not endorsed or certified by the Federal Reserve Bank of St. Louis. Check with your lender for actual interest rates.
Listed by Bryan Sereny PA of Douglas Elliman

The multiple listing information is provided by Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are © 2026 Miami Association of REALTORS®. All Rights Reserved. The information provided is 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. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Data last updated on September 1, 2026

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