I didn't see any other posts on this, but for other early/late season seaplane folks it appears the stores at both ends will sell isobutane & white gas starting 5/22, even if the rest of the store isn't open yet.
https://www.isleroyaleseaplanes.com/about-8
I had been planning on using my twig stove for my trip next week, but now I might reconsider.
Early/Late Season Fuel Availability - 2022
Moderator: dmdhiker
Early/Late Season Fuel Availability - 2022
2018: Feldtmann Lake, Siskiwit Bay, Windigo
2019: Chippewa Harbor, Moskey Basin, West Chickenbone, Rock Harbor
2022: Moskey Basin, Lane Cove
2019: Chippewa Harbor, Moskey Basin, West Chickenbone, Rock Harbor
2022: Moskey Basin, Lane Cove