Yes! A shuttle will pick up guests who are not staying at the castle from their hotel, and transport them to the church where the ceremony is taking place, and then to the castle afterwards for the drink and dinner receptions. Another shuttle will be available to take guests home at the end of the night.
Reith im Alpachtal is directly accessible via train from multiple locations: it is 1.5 hours driving from the Munich Airport. Other major airports nearby include Zurich (4 hours drive) and Vienna (5 hours drive.) For taking the train, Brixlegg is the closest station to Reith im Alpachtal. From Munich, the journey is 3 hours by train and there are a few transfers. From Vienna, there are a few transfers as well and the journey takes 5 hours. From Innsbruck, take the RE train line, which goes directly to Brixlegg. Use Rome2Rio to find the exact route to take: https://www.rome2rio.com/map/Vienna/Reith-im-Alpbachtal#r/Train
For guests who are not staying at the castle, a block of rooms has been reserved various hotels nearby. Transportation to and from all wedding events has been arranged for these guests. Click here and fill out the form to see which hotel you are staying at and other information: https://form.typeform.com/to/vDb4xdkr (Send me a message, 339-235-8203, if the form is closed.) Please reference Brandon & Mariana's Wedding when calling hotels, and be sure to confirm as soon as possible to lock in the rooms. If you don't see your name on the list, then your accommodation is at the venue (Schloss Matzen).
Taxi Brixlegg: +43 676 3330880 Mein Taxi Brixlegg: 0676 88 6565100 Taxi 4 you: 0676 5337 444