It's below O'hana, so, when you get off the monorail you will enter the resort on the second floor. Turn left as you enter the building, pass Kona and walk toward O'hana, take a left and go down the stairs next to O'hana. When you get down the stairs, take a left and walk down the hall toward Capt. Cook's. Make a left at Capt. Cook's and Trader Sam's is on the right.