10-hour Munich layover - What to do and see?

Take the train, either one, they go every 10 minutes. Both will stop at Marienplatz. Go upstairs and gawk at the Rathaus in front of you. The Knights in the tower come out and joust at 11:00 am and noon. Don't bet on the Austrian, its rigged. Then you can nose around, get lunch and a beer.
You can buy a day pass that will take you into Munich, let you use the public transport (S-Bahn, U-bahn, trams, buses) for the day and take you back to the airport. 13 EUR.
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Here is what I would do:

• Assume 60 mins to deplane and make it through security
• 06:30 - First, purchase an Airport-City- Day-Ticket from one of the MVV ticket machines (super easy, just change the language to English using the flags at the bottom of the screen). This gives you unlimited travel on all public transport for the whole day.
• 06:44 - Take the S8 from MUC to Ostbahnhof (if you miss the 06:44 the trains run every 20 mins)
• 07:15 to 08:00 - Arrive at Munich Ostbahnhof, if you picked up luggage you can leave it here. Most of the good restaurants don't open until 8pm so take a little walk around Haidhausen, settlement since 808AD, and see how people live their lives. Go strait out from Ostbahnhof put you in Orleansplatz, check out the fruit and flower sellers setting up their stalls. Continue up Wörthstrasse through Bordeauxplatz and admire the gardens in this long leafy square. At the end of the Platz take a right on Metzstrasse then a left on Preysingstrasse to see some historic houses including a relocated alpine hut that is now the HQ of the Munich Alpine Youth Club. Keep walking down Preysingstrasse and right before Fruchthalle on the right head down the alley to for a quick peak at Johannisplatz (the square around the church). Head back through the alley, continue on Preysingstrasse and make a left back onto Wörthstrasse headed to Cafe Voila for breakfast at 8am.
• 08:00 to 09:00 - Cafe Voila is about a half block back down Wörthstrasse, I recommend the traditional Weisswurst, Breze (Pretzel) and Weissbier.
  
• 09:00 til noon? - exit the Cafe and just to the right is the stop for the number 19 tram. Take the next one and enjoy the sights through Haidhausen, around the Maximilianeum, and down Maximilianstrasse and get off at Nationaltheater. Now you are in the city center. You should have enough time to hit most of the sites on the Rick Steve Audio Walking Tour.
• Noon til 1pm - Head to the Viktualienmarkt for a Biergarten and lunch experience. Once you are done head back to the Marienplatz to catch the S8 or S1 to catch the S-Bahn back to the Airport before 1pm (up to 1 hour transit back to airport). If you take the S1 remember to get on the right car as it separates at Neufahrn and part of the train goes to Freising and part goes to the Airport. You'll have many chances to switch if you get on the wrong car, just ask the other people on your train "Airport?" even if they don't speak English they will help you (Germans are happy to help strangers).

Have fun!

DJ

Sam and DJ, thank you so much! Your suggestions are so helpful. You really put a lot into helping me so thanks again! I'm excited about my day!
Jai

Be sure to take a walk through the English Gardens. If I could only do one thing in Munich, it would be to go here.
The official Munich website at www.muenchen.de will give you lots of information on Munich.

At that hour of the morning I really doubt you'll want a beer. Get your ticket and go to the main train station (hauptbahnhof). From there walk into the Marinplatz. The clock figures move around every hour, although the longest movement is at 11. The nice part of this is you'll be out before most of the tourists and the shops will be closed, except for the bakeries. This is a great time for pictures. From here turn north and you can walk to the Opera House, and along the Residence. If you walk along the Residence towards Odeonplatz there's an excellent bakery and coffee shop on the left towards the entrance to the U Bahn and across from the smaller Hof Garden (which has a beautiful rotunda and fountain). The English Gardens start at the Residence across from the Hof Garden. If you don't feel like walking you can just take the UBahn to Odeonplatz from the Hauptbahnhof; but it's only a 20-30 minute stroll thru town even if you window shop.

If you don't want to spend a lot of time in the gardens, you can walk across the way to the Bavarian National Museum, or go to the river and turn south and go to the Science Museum on it's island. I highly recommend this!

If you walk back towards Marinplatz (from anywhere) south of St Peters Church is the open air market. Buy your food here for the day. It's open early, so if you want coffee or pastries, or fruit early on this is your best bet. You can even swing in here and then go up to the gardens and picnic if that's good for you. Just make sure you leave enough time to get back to the airport. It's easy to lose track of time walking around central (old) Munich.

I don't recommend any resturants, for a couple reasons; one, service is slow, and you'll spend more than an hour getting a meal; two, most won't be open until later, and they tend to be packed at lunchtime; three, the offerings at the market are cheaper.

Enjoy Munich, it's one of my favorite cities.

At that hour of the morning I really doubt you'll want a beer. Get your ticket and go to the main train station (hauptbahnhof). From there walk into the Marinplatz.

No need to go to Hauptbahnhof as both the S-1 and S-8 stop at Marienplatz underground station. The S-1 after you pass through the Hbf, and the S-8 before you get to Hbf. If you get the day pass, it will get you anywhere in Munich.

Thank you Sam, KGC and Baxter. This information is fabulous. Using your recommendations and a little online research, I now know what to do and really looking forward to my day in Munich.