With its onshore winds and ebbing tide, the bay is popular with yachtsmen; Conwy Yacht Club hosts an annual regatta in June.
[3] To the west of the entrance at Great Ormes Head is the Four Fathom Bank, a shallow area with depths of under 6 metres (20 ft), though the dry Conwy Sands dominate much of the estuary area in the eastern part of the bay between Great Ormes Head and Penmaen-bach Point, 3 miles (4.8 km) to the south.
1.7 miles (2.7 km) to the east of Penmaen-bach Point is the entrance to the Conwy River.
[3] The outer estuary of the Conwy in the southeastern corner of Conwy Bay is marked by "extensive sandbanks, mudflats and mussel beds", and is an important habitat for birds such as dunlin, oystercatcher, curlew and redshank.
[5] With its strong onshore winds and ebbing tide, the bay is popular with yachtsmen.