Officials said crews had to maneuver through bad weather and limited visibility to bring them to safety.
The 11 people on board had minor injuries.
“I am proud of everyone involved in this rescue and that we were able to get all 11 people to safety in a timely manner,” said Commander Michael Kahle, a Coast Guard search and rescue mission coordinator for the Juneau sector. “Cases like these exemplify the versatility of our aircrews and how capable they are to expertly perform rescues from the ocean or even mountainsides.”
There are reports that the seaplane was a sightseeing flight owned by Taquan Air, KTUU reports.
A spokesperson for the Alaska State Troopers said it was "tremendous" that no one died in the crash.
The NTSB is investigating.