Lanikai Beach and Kailua Beach are not hard to find. From the Waikiki take H1 to the Pali Highway (61). Take the Pali over to the Windward side of Oahu. Stay on the Pali at Kamehameha Highway the Pali Highway turns into Kalanianaole Highway and take it to Kailua Rd. You will not need to make a turn onto Kailua Rd, just bear to the left where Kailua rd meets Kalanianaole Highway. At the triangle intersection of Kailua Road and Kuulei Road, bear to the right to stay on Kailua Road. At the second signal intersection, make a left turn to stay on Kailua Road. Go through the intersection of Kailua Rd and Kawailo Rd and you will be in the park. If this lot is full simply go back out to Kawailo Rd and follow it around the park. There are lots of places to park.