On the western shore of O'ahu, the exclusive, 640-acre JW Marriott Ihilani Resort and Spa at Ko Olina is a luxurious and complete resort set on one of four white-sand lagoons. This private retreat is approximately 18 miles from Honolulu International Airport and about 25 miles from downtown.The resort's amenities include a choice of distinctive dining options (emphasizing local ingredients from land and sea), room service, cocktail lounge, full-service spa, circular pool, whirlpool, fitness center, saunas, tennis courts, direct beach access, watersports, sundries shop, open-air lobby (with coffee bar), salon services, business center, and gift shop. Guests can also enjoy 18 holes of championship golf at Ko Olina Golf Club. Other hotel services include parking (fee), valet laundry service, babysitting, concierge, safety deposit, and free weekday newspapers.All rooms feature a lanai, bathrobes, Cable TV, dataports, hairdryers, safes, irons and ironing boards, minibars, and voicemail.