Not likely the first beaches you may think about, but Canada has them too! And these ones are becoming a bit more accessible –
https://www.cbc.ca/news/canada/new-brunswick/accessibility-docks-fredericton-beaches-1.6504388
cbc.ca
$50K donation allows two Fredericton beaches to add accessibility features | CBC News
Morell Park and Killarney Lake Park in Fredericton are adding docks with accessible features to allow greater water access for people with disabilities, thanks to a $50,000 donation from the Fredericton North Rotary Club.