If you are going round trip, it really won't matter, because you'll return the same way and then see the other side. Even going one way on an inside passage, there are many areas where you can see both sides, so again it wouldn't matter, you actually get very close to land on both sides in some cases. Did you book a balcony cabin? They are really worth the money on an Alaska cruise.
We are going July 16, 2004. We will be on the Celebrity Mercury , the round trip from Seattle. We have a stateroom with a veranda, on the left side of the ship 10 rooms aft of the middle of the ship & elevator. We have cruised once before on the Royal Caribbean to the Caribbean & we loved the cruise. Thanks again for the info.
It's all trees and water, trees and water, no matter which side of the ship you're on. And when you're viewing ice, the captain spins the ship around so that both sides get an upclose view of the glaciers.
If you were headed northbound or southbound, it would have made a difference depending whether you want morning sunlight streaming into your cabin (as a rule, we try to avoid doing anything before 10 am, including waking), but since you're on a roundtrip, it's not going to make much of a difference. :-)
Here's a map of your planned route (from Celebrity's web site).
It's difficult to tell from this scale, but a starboard location may provide a better view on the northbound segment. As others have noted in the Alaska forum, the scenery becomes more dramatic as you head north, so that might be one reason to choose starboard over port on a roundtrip sailing. On an Inside Passage cruise I took last month starboard was definitely the preferred side since the ship sailed well offshore on our southbound leg.