https://www.milanadvisorymarbella.com/post/costa-del-sol-property-sales-h1-2026 2026-09-20 https://static.wixstatic.com/media/6572c5_ba33d87046774154a1dd3224c67f76bb~mv2.jpg Residential areas of Marbella with La Concha mountain in the background https://www.milanadvisorymarbella.com/post/marbella-pgom-2026-new-urban-planning-framework 2026-09-20 https://static.wixstatic.com/media/6572c5_94b2da8ed5fb47c2a5af85c325cafacc~mv2.png Aerial view of Río Real in Marbella with a planning area outlined in red