The apartment location is excellent, you can walk to quick food places, grocery store, short drive to shopping area and the Koloa Old Town, where you can get extremely good coffee (Aloha Roastery), run by a twin brother). From the Koloa Old Town, you can get food in the nearby Food Truck area.
If you have time, visit the Kauai Coffee where they conduct free tour (10am, 12pm, 2pm &4pm) about there coffee plantation and provide free coffee tastings.