Welcome to 12921 Mission Avenue #101. the MOST rare and functional 4 bedroom unit in the community with 3 bedrooms on one level and an in law suite on first floor with its own private entrance. This Plan 2X Townes residence in the highly sought after 360 South Bay community offers one of the most desirable and functional floor plans in the neighborhood. This end unit townhome spans over 2100 square feet and is completely turnkey, combining space, light, and thoughtful design at every level. The top floor features three spacious bedrooms including a stunning primary suite with a private ensuite bath and walk in closet. A convenient hallway laundry area is perfectly positioned to serve all upstairs bedrooms, making everyday living seamless and efficient. On the main level, you are greeted by a bright and open concept living space with engineered hardwood floors and modern finishes throughout. The layout flows effortlessly into a beautifully positioned wrap around balcony, allowing for incredible natural light and ideal indoor outdoor living. An additional front facing den provides flexible space for a home office, lounge, or media room and features newly updated flooring. The lower level offers a highly desirable fourth bedroom with its own private entrance and ensuite bathroom, ideal for guests, extended family, or a private workspace. This level also includes a spacious two car garage with direct access. Located in the gated 360 South Bay community, residents enjoy resort style amenities including two large pools, hot tub, basketball courts, pickleball courts, two dog parks, a meditation garden, playground, barbecue areas, game room, banquet room, wine room, and year round community events, all with security for peace of mind. Situated in the award winning Wiseburn School District with access to the highly acclaimed Da Vinci schools, this home is just minutes from LAX, Manhattan Beach Pier, major freeways including the 405, 105, and 110, Erewhon, and numerous professional sports and training facilities. This is a rare opportunity to own one of the best floor plans in one of the South Bays most vibrant and connected communities.