7. As an enigma
I am composed of 5 letters:
My 1,5,3 is a body of water.
My 3,2,5 is a liquor.
My 5,3,1,4 is a point on the compass.
My 1,5,3,4 is a place to rest.
My 3,4 is a preposition.
My 1,5,3,2 is a sea creature.
What am I?