Here is the full list of all 13 SkyBoats achievements.
Win 100 Matches
Win 50 Matches
Get a Boat up to 20 Wind Meter
Reach Rank 15
Win 10 Matches
Reach Rank 10
Fulfill 50 Demands
Fulfill 10 Contracts
Reach Rank 5
Gain 15 VPs in a Single Round
Spawn 5 Goods in a Single Round
Win your first match
Complete the Tutorial