Go to the kitchen area to the left of the patio. Walk straight through the kitchen and stop a few steps after passing the frosted glass door. You will have just entered the dining area.
Turn left and go past the bar with the stools/chairs on the right. Wait near the glass table with the chairs on the right.
Take a left past the balcony, and enter the kitchen. Walk through, and into the dining area. Stop outside of the door to the bathroom.