6) Captain Your Personal Vessel
Plenty of retirees own boats. If you do own a vessel, you can earn money with it by becoming a captain and ferrying tourists or locals around. You may know about Uber, which is a driving service that allows private citizens to earn money driving people around in their own cars. Well there is a similar service boats. Just check out the BoatDay app online in order to see how it works! No matter how you set up your business, you should be able to profit from taking people out and showing them the local sites, or helping them to get from Point A to Point B via local waterways. Always be sure to have liability insurance before you go out on the water with clients. This is really important!