Seaside Sonata Property App Dear residents, Seaside Sonata App is now in service. You can login the app via your mobile phone or tablet to make facility reservations, receive our instant messages, check management fee eBill, use Market Place to publish a small ad, etc. In addition, you can also use the QR code to open the door locks of the reserved facilities, which is convenient and safe. Please experience the new platform for Estate Management services immediately.
