Luxury Estate on Highland Ave. in Coastal Carlsbad with Westerly Ocean Views & Resort-Style Living! Perched high above the Agua Hedionda Lagoon on one of the most desirable streets of Carlsbad only 1.5 mile walk or bike ride to Tamarack Beach, stands this Chic Modern Coastal Property. Originally built in 1946 and completely renovated, offering two detached homes, including a full 910 sq ft 1 bed/1 bath guest house/ADU with full kitchen, separate laundry hook ups, living room and office or yoga studio. Ocean and Lagoon Views are enjoyed from the kitchen and office as well from the private exclusive yard, large enough for entertaining and gardening, and offers dedicated parking. This is the perfect guest quarters or an incredible short term rental opportunity within Carlsbads Short Term permissible zone. The main house exhibits an elegant modern style, open floor plan and indoor out-door living space, featuring 4 bedrooms with en-suite baths, including Jr and Master suites both with their own private entrances on opposite sides of the home. An attached double car garage and an amazing backyard with easterly rolling hill views from a private covered porch and grass space for family and entertaining. A beautiful renovated swimming pool sits between the main house and the guest house allowing for another entertaining area. A new solar system and new tankless water heaters have recently been installed. This estate combines classic charm with modern lifestyle conveniences, offering endless opportunities for income-generating or multi generational mini resort living.