Can someone please confirm and add if in this area exist "Babylon Yacht Club"?

Only baseball fields are marked here, however, the whole section surrounded by Irmisch and N Alleghany Avenue is a park (Fireman's Park).

You need to toll northbound also.

Should be marked as a Park

This OSM note is added as per the user feedback from Mapbox:
Can anyone please confirm whether "Plainedge High School" is located here
Thank you.

Parking

Parking Area

This OSM note is added as per the user feedback from Mapbox:
Can anyone please confirm whether "McDonald’s" is located here
Thank you.

ALYWOOD DRIVE should be: Aylwood
Spelling error.

There is indeed a school here. (Old bethpage elementary)but there is a loop entrance that isn't noted here. There's also a parking lot that isn't shown as wel