Oh yes. There are special regular and powered wheel chairs designed to go on beach sand. Have very wide wheels to float over the sand. Some non powered ones to go into the water, let the person enjoy the ocean.

Can't believe you didn't know about this. You really have to get out of the house.

https://custombeachwheelchair.com/

http://www.newmobility.com/2016/03/beach-wheelchairs/