Question

I am a 4 letter word with 1 vowel. I start with S and end with P. I feel safe at harbour but that's not I am made for .If you want to launch me, you have to go where the water is deep. Who am I?

Answer 1

Answer:

soap

Explanation:

we use it to wash hands with water

Answer 2

Answer:

soap is the right answer of your question.