Altos Del Mar 7701 Collins Ave. This Expansive Beach House estate in Altos Del Mar, Near Bal Harbor offers over 4,700 sq. ft. of pure bliss. Four bedrooms four and half baths, three stories, multiple indoor and outdoor living rooms, 250 bottle custom wine cellar, and includes an open floor plan with natural light and high ceilings throughout. Offered at $4,299,000.00 Please contact Stuart Drossner | Broker | Drossner Realty Inc. | 305-502-1717.