Freehold waterfront condominium cluster along Upper Serangoon/Estuary Crescent in District 26 around Sengkang and Punggol boundaries, usually cited at addresses alongside Estuary Stroll and Estuary Crescent, adjacent to Serangoon Reservoir and Punggol Waterway with park connectors and reservoir sights; nearby retail and groceries involve Compass A single, Sengkang Riverside Park https://estuary-condo-880-2691110.bloggazza.com/36304616/estuary-condo-880-26