Seaview Estates. Seaview Estates is a community of single family homes in the Coast District. They were built in mid 1980’s and the floor plans range from 1,800 to 3,100 sqft. The neighborhood has some of the most beautiful panoramic ocean views in San Clemente. Contact us at 949-378-4937 or email RexCratty@gmail.com with any questions or inquires.