Woojung:

Most memorable place and moment in the Philippines was
Resort beach(Cebu not water park). At the beach, Dad and I rode a water bike, I was very exited but little bit scary (becuase my dad drove water bike very fast.). I can still remember it because it was so fun moment.
I went ther last year.

Better:

Most memorable moment and place in the Philippines is the
Resort beach(a beach in Cebu,  not a water park). At the beach, Dad and I rode a water bike, I was very excited but a bit scared (because my dad drove the water bike very fast.). I can still remember it because it was a very happy moment
I went there last year.

Explanations:

1. Be mindful of the proper spelling of a word.
2.Use the preposition 'in' to refer to a an area that is within a place

Well done Woojung!