Overview Costa Serena is located in Oceanside, CA. It is an active adult community that provides accommodation for 55 years and above individuals. This community builds resale duplex homes. The home area is in between 827-1100 sq. ft. starting from $200. The apartments are located in residential area only. It is very close to the ocean and panoramic beaches. So the residents get the opportunity for swimming, fishing, boating etc. Costa Serena provides bedrooms, bathrooms, kitchen, laundry room and a parking place. Costa Serena offers a large number of facilities to the residents. Banks, ATM’s, Post Office, medical stores are nearby. Shops, grocery shops, theaters are within the community. All the fitness programs, sports, cultural and social activities are performed within the clubhouse of the community. Professional staffs are appointed by the community to organize these programs. Costa Serena is undoubtedly the best community that has been ever seen.