He went to the back and I heard the sounds of his exit.

No window, one door, and they'd just lost control of their only exit.

He did an office building the same way, but missed a couple of exits.

However, the door was not his intended means of exit.

Did the door on the lower side still afford a means of exit?

Obviously, there has to be some sort of exit for all that water.

Moreover, it was between me and the only means of exit.

The door slammed back with the force of his exit.

Yet no other place of exit from the beach was apparent.

Only then did he check for point of exit, and blinked.