You can't miss it.
START
CHECKPOINT
Go straight ahead (for two blocks)
TURN
You're going to see (a ferry termina)
(The aquarium) is going to be on your right / left.
DESTINATION
Go to the end of the (next) block
Turn right / left
When you go out of (the hotel)
It's right there.
It's on the right / left
Walk up (two blocks)
Go down the street (about a block)
STRAIGHT
Make a right / left