Considered taking the ferry the entire way from Bellingham to Haines then on to anchorage when we moved up to AK last yr but wanted to see the sights and took the AMHS ferry MV Matanuska from Prince Rupert to Haines.
The Inside Passage was a wonderful ride. Scenery was breath taking and something the family and I will never forget. The entire trip was smooth water. Could have water skiied on most of it. I understand the majority of the remainder of the trip is open water thus not very scenic.
Cost wise, I had the truck and camper in my sig with a 16' util trailer. 41' total length and 13' tall. That ride was about $3500 plus $200per night for a 4 berth cabin.
Fuel cans are allowed but required to be declared and are stored separately. In my case they were buried in the front of a full trailer and I just "forgot" about them.
Propane must be turned off. Did not know that initially so we had emptied our fridge at home into the camper. Ran it DC for a day then convinced them to allow me to plug in AC but against their better judgement. I'd say don't plan on it but bring lots of snacks, drinks and a small cooler to fill out of your vehicle periodically.
I was also unaware that there would be no access to the car deck while underway. Not like the WA state ferries.
All in all was pleasant accommodations. Drinks are not cheap. Food isn't bad price.
Bring a couple books especially for your trip. Lots of open water and downtime.
I didn't have any firearms, flew them up with me on another trip so not sure how the AMHS views that but I'd think its fine since not going through Canada.
Good luck on your pcs and thank you for your service.
