Sometime ago I discovered the fascination of web cams. It's occurred to me that these might provide entertainment or distraction for someone who's restless or has dementia, all the while staying inside, safe and warm.
This URL provides links to various sea/ocean and subsurface activity. I've been watching beluga whales for a while, admiring their grace, and their cute smiles.
Home page: https://www.bing.com/search?q=https%3A%2F%2Fexplore.org%2Flivecams%2Foceans%2Ffrying-pan-cam&form=IE11TR&src=IE11TR&pc=EUPP_DCJB
Waimea Bay in Hawaii: https://explore.org/livecams/oceans/hawaii-waimea-bay-cam
(I can't open the sites in IE, so you'll have to paste into another browser. )