Los Angeles Lakers minority owner Jeanie Buss is adding to her real estate portfolio ... shelling out $4.2 million for a stunning beachfront home.
TMZ Sports has learned ... the 2,252 square-foot property sits right on the beach in the Playa del Rey neighborhood of Los Angeles.
The oceanfront retreat -- sold by Dena Luciano of Douglas Elliman and co-listed with Berkshire Hathaway's Yvette Busot -- was built in 1956 and features four bedrooms and three bathrooms.