Luxurious, Modern, Historic, & Impeccably Remodeled. Welcome to 411 Louisa Street, located in the heart of Old Town Key West, less than a block from Duval Street's top dining and entertainment. This stunning five-bedroom, four-and-a-half-bath residence offers 3,663 sq. ft. of living space on an 8,227 sq. ft.oversized lot, providing rare space and privacy in one of the island's most desirable neighborhoods. Enter through the white picket fence and tropical courtyard to your grand Key West estate, where every detail has been thoughtfully designed. The first floor is set for entertaining, featuring a spacious living area and a chef's kitchen with stone countertops, an oversized island, custom cabinetry, and premium Sub-Zero, Viking, and Wolf appliances. A generous walk-in pantry adds extra storage convenience. The primary suite, also on the ground level, overlooks the pool and boasts a spa-inspired bath with dual showers, a freestanding soaking tub (with air bubble massage) and a large walk-in closet with one of two laundry areas. Outdoors, enjoy your private resort-style backyard with an oversized pool, covered lounge, and outdoor kitchen complete with gas grill, ice maker, and mini-fridge, perfect to grill up those fresh catches or hotdogs for the kids. Sonos speakers throughout set the tone to enjoy a relaxed Key West lifestyle. A floating living room staircase leads to two inviting guest rooms and a full bath. Two additional bedrooms currently serve as offices, each with en suite baths and private entrances, ideal for guest suites, studios, or remote workspaces (one includes a kitchenette). A climate-controlled standalone workshop offers a perfect space for projects, hobbies, or extra storage. Designed for both resilience and comfort, the home includes impact-rated doors and windows, a 30 KW Cummins diesel generator with 500-gallon fuel tank, smart home automation for lighting and shades, and off-street parking for two vehicles.