Hi Set:
Just to get you started, it looks like something bidirectional might fit your bill. You can check Antennas Direct website as they have several options.
If you go with a more traditional Yagi antenna and want to rotate it, check out Ham Radio Outlet and look at their Yaesu rotors. They have a good reputation of holding up over time. The link below is just one of several.
https://www.hamradio.com/detail.cfm?pid=H0-002762
rabbit73 and Tower Guy have already chimed in, but if they have some recommendations I would take their advice, as they have the technical backgrounds that should help you reach "pay dirt." And there are other excellent techs here that could help you as well.
Anyway, just my two cents worth to get things moving for you. All the best!