For the mad scientist in all of us. The key to successfully building a secret lab is secrecy! This how-to expects that you absolutely trust the people who live in your house, or the house where the lab is being built. You can't hide it from them. Also, to follow this wikiHow, you'd have to be mad.
Lanikai Beach Oahu - By Bus. Take the number 20 bus from Waikiki to the Aloha Tower. Transfer onto the 57 to downtown Kailua, and finally transfer to the 70 shuttle bus. Ask the bus driver to tell you when to get off and transfer.
Getting to Lanikai Beach, Oahu Hawaii. I would highly recommend renting a car to travel out to this beach location. You can access it by taking the bus, but it will take about an hour and a half, and 3 bus transfers from Waikiki, versus 30 to 40 minutes with your own vehicle.