Here is the full list of all 18 Sailaway - there are The Sailing Simulator achievements.
Sail 100 nautical miles
Sail 1000 nautical miles
Sail 10000 nautical miles
Sail the same distance as the Earth's Circumference - first achieved by Operaider
Sail in 20kt plus winds
Sail in 40kt plus winds
Sail in a hurricane (64kt+)
Complete a race
Win a race
Collect your first badge
Collect 25 badges (but you can only show 24 on your boat)
Sail in less than 1m of water below your keel
Change the name of your boat
Be invited and go aboard someone else's boat
Invite someone aboard your boat and have them accept
Fill out your profile
Upload a profile image
Join a chat group (and say hello)