I spend my weekend a......
Go to a beach.
~> I spent my weekend going to a beach.

and make a......
Fortified, (What do you mean by fortified?)
ditch,
And a hot sand bath.
~> I made a ditch and a hot sand bath.

I like a hot sand bath.
~> I like hot sand baths.

            I spent my weekend going to a beach. I made a ditch and a hot sand bath. I like hot sand baths.