Here is the full list of all 39 Sea of Survivors achievements.
Start a Voyage with 3 crew mates
Reach over 100% crit chance during a voyage
Spend 10 000 at the shipwright
Sink a Fire Ship
Heal 1000 in a run
Sink a Barrel Boat
Reach over 100 projectile speed during a voyage
Have over 100 ship speed
Visit three locations during a voyage
Sink a Merchant Ship
Set sail 3 times, with a unique weapon each time
Get hit 100 times in a run
Salvage Ramstein's Shipwreck
Block 300 attacks in a single voyage
hit 4 enemies with a single shot
Defend Cannonback Isle
Earn 10k gold in one run
have 50 enemies burning at once
Spawn 20 whirlpools at once
Visit Every location in Grand Deep
Finish a voyage without taking damage
Slay the Kraken
Have 5 trinkets at once
Raid the Lightning Temple
Have 5 feast items in one run
Start a Voyage with 3 fully trained crew mates
Complete a voyage using only melee weapons
Sink 10,000 foes with fire
Raid the Pirate Fort
Earn 20k gold in one run
Finish a voyage with only one weapon
Sink 20 000 foes in a single voyage
Raid the Whirlpool Temple
Reach 5000 max health during a voyage
Fill the grid with treasures
Start a Voyage without a lifeguard
Visit six locations during a voyage
Reach over 100 projectile spread during a voyage
Set sail 6 times, with a unique weapon each time