Freehold waterfront condominium cluster alongside Upper Serangoon/Estuary Crescent in District 26 around Sengkang and Punggol boundaries, commonly cited at addresses alongside Estuary Walk and Estuary Crescent, adjacent to Serangoon Reservoir and Punggol Waterway with park connectors and reservoir sights; nearby retail and groceries contain Compass 1, Sengkang Riverside Park sellers, https://estuary-condo-880-2672470.blogars.com/36137538/estuary-condo-880-26