As nouns the difference between riverfront and riverside
is that riverfront is the real estate located along the edge of a river while riverside is a bank or side of a river.
As an adjective riverside is
at or near the side of a river.
As a proper noun Riverside is
a place name applied to a locality, especially a city, that is situated beside a river.
riverside
English
Noun
A bank or side of a river.
* Gonna lay down my burden; Down by the riverside ...
Adjective
(-)
At or near the side of a river.