In my younger years, I never once caught a bout of motion/sea sickness. Didn't really have sea legs either but being on the open water in a boat never bothered me. It wasn't until recently in my life where I started to suffer from sea sickness to where I would have to sleep on the boat to get over it before finally enjoying whatever little time I had left being on a boat.
Towards the end of a day being on a boat, I was able to wake up from my nap to capture this photo of the setting sun in Marina Del Rey. My nap wasn't due to being sea sick, but rather being tired from the lack of sleep the night before. I was able to sustain being good, thanks to the help of some friends who had this nifty wristband that helps people with sea sickness.
"Sunset over Marina Del Rey" / 35mm Adox CHS 100 / February 2011