I met my man on-line - we've been together almost 4 years. He did put in his intro that he would take his dates "on his yacht" if that appealed - I thought "yeah, right - I bet he's got a dinghy or a little rowing boat or something". But I liked his profile, so took no notice. He did indeed have a yacht. A big one. I sailed, loved it, and found a new hobby as well as a new boyfriend.
Just be very careful the first few dates, don't make yourself seem too desperate or too 'available' and use your common sense and intuition - there's weirdos in all walks of life, not just on the internet.