544 Warren Ln, Key Biscayne FL 33149

Presented for the first time, this fully furnished custom Cape Dutch residence in TROPICAL ISLE HOMES SUB is a remarkable 2026-built single family home in Key Biscayne, Miami-Dade County. Designed by Duncan and Heuser Design and Development, with interiors curated by James Duncan, it combines timeless architecture with refined modern comfort.
Offering six spacious bedrooms and six and a half beautifully appointed bathrooms, the home features a detached two-story layout, vaulted ceilings, first-floor entry, walk-in closets, and additional flexible interior spaces. The living area is listed at 1,044 square feet, complemented by a 7,828-square-foot lot and serene garden and pool views.
Outside, enjoy a private pool, built-in grill, and an attached two-car carport, with additional driveway and on-street parking. Central electric air conditioning, electric heating with a fireplace, a gas range, and an ice maker add everyday convenience. Community amenities are also available within the subdivision.
Located at 544 Warren Ln, Key Biscayne FL 33149, this home offers the relaxed island lifestyle just minutes from Miami’s celebrated beaches, boating, outdoor recreation, dining, shopping, and entertainment. Year-round sunshine, excellent roads, nearby schools, and access to Miami’s vibrant cultural and business districts make Key Biscayne an exceptional place to live. Zoned for Keybiscayne Elementary, Ponce De Leon Middle, and Mast Academy.
For details or to arrange a private showing, call or message +1 786.468.4380 by Tel or WhatsApp.