Not being funny, but the Victorians managed to install bathing machines on Brighton beach. Seems to me there's some scope for introducing a re-worked version of these somewhere along the seafront as a fun tourist attraction that could be used by disabled and non-disabled alike - with priority...
Odd viewpoint IMHO, particularly as you say you look after disabled children. Have been to many resorts worldwide that have boarded walkways leading down to the sea to allow access for disabled people. I dare say there would be a few more technical challenges building such a walkway on a...