Do we still have to make a reservation?

Yes

Tickets are available online as well as at a box office.

No. No need a reservation.

No but the weekend it's best.

We didn't have one on a weekday but definitely want to on the weekend.

Yes try to make them a day in advance.

I was trying to make reservations but the online kept acting up so we just went there and paid. But i dnt think you have to make them in advance

Best if you make reservations. Entry is timed so walk ins will wait if necessary.

No...reservations are recommended for the restaurant Longleaf.