There is a small lot at the trail head, along the road to the trail, and at the Mokapu'u Overlook. The park and trailhead are located off of the Kalanianaole Highway (Hwy. 72) at the southeastern-most point of Oahu. From Honolulu, take the H1 freeway east until it becomes Highway 72. Follow the road beyond Hawaii Kai, Hanauma Bay and Sandy Beach Park until you reach the park area adjacent to the highway. Hope this helps.

I didn't uber on the island, but it was a moderate drive from waikiki... probably ~30 minutes. Might be more cost effective to rent a car if you are able.

I wouldn’t advise hiking to the tide pools. There isn’t a managed trail. If you want to see some tide pools, there is a pull off nearby between there and the Halona blowhole. You can walk right out to the beach area and see tide pools there. Not much of a walk from parking area, and it’s mainly rock and sand, pretty flat, and you can walk to the rock area.

I do believe the park closes at dusk- so maybe research hours before hand.

If you have any knee/joint problems and are doing Diamond Head in the morning. You will be very sore. I am a registered nurse and my husband and I both did this trek in the late afternoon with overcast skies and some wind. My husband has blood pressure problems and we had to keep stopping several times along the way. I am in good shape, but nevertheless it is a good hike. The good thing about the trek is it is well paved, there are sitting areas along the way so you can take it easy. Definitely bring some water with you. The views are spectacular, especially at the very top. I would suggest afterwards some motrin and ice up your knees when you get back to your hotel. Good Luck.

Free parking, better to come early in the morning.

Absolutely. There’s a lookout point with binoculars where you can challenge them if they can spot the whales

Yes, it is paved and there were others there with strollers.

While the answer is yes to public bus transport to the lighthouse...do yourself and traveling party a BIG favour and rent a car..for the day trip....besides it will allow you more flexibility if u decide to stop a other spots along the way...Haunama Bay is on the way...Sandy beach...Hawaii Kai area is very cool spot if u get hungry...the rental will enhance your visit and experience to Honolulu...isn't that what you want? 🌴🌴🌞🌞...enjoy ur trip to my home town...aloha for now

All free, but parking is tight because of the popularity of the trail with locals and tourists. Go early...best time of the day.