Here is the full list of all 53 SeaOrama: World of Shipping achievements.
Buy a Suezamax Container
Reach Bank Reputation of 24 points
Crew a ship with 2-star members or higher
Win a bidding war
Have a fleet of five ships
Reach 100 Company Reputation points
Fully upgrade your whole fleet (at least three ships)
Buy a Chinamax Bulk Carrier
Travel to every continent
Level up the Captain at one of your ships
Reach $50 million
Install all the available Facilities on one of your ships
Load 5 contracts simultaneously on a ship
Customize a ship at a shipyard
Reach 50 Company Reputation points
Rehire one crew member
Finish a year without any contract penalties
Travel 100.000 miles
Use the "Move To Port" action to travel to Shipyard
Buy a ship using a bank loan
Travel 50.000 miles
Buy your second ship
Earn $5 million
Travel 5.000 miles
Travel 10.000 miles
Be ranked first at the end of the month
Earn your first million
Rename a ship
Reach $100 million
Buy an LNG ship
Sell a ship
Travel to every country
Fully repay a bank loan
Fully upgrade one ship
Load a ship to its maximum capacity
Keep your company running for three years
Keep your company running for five years
Use a Tugboat as an option at an event
Travel 1.000.000 miles
Max a Player Reward at a port
Max two Player Rewards at a port
Max all Player Rewards at a port
Acquire a Short Charter contract (180 days)
Acquire a Long Charter contract (360 days)
Make a trip requiring and using security
Finish a year with more than 100 contracts completed
Crew a ship with 3-star members or more
Crew a ship with only 5-star members
Buy an Ultra Large Crude Carrier
Buy a Q-Max LNG Carrier
Own a fleet of only Bulk Carriers (at least three ships)
Own a fleet of only Containers (at least three ships)
Own a fleet of only Tankers (at least three ships)