| All ships | Armour repair time −2%Sail repair time −2%Pump repair time −2%Rudder repair time −2%Magazine repair time −2%Hull repair amount +1%Sail repair amount +1%Repair amount +1%Crew +3%Crew transfer speed +1 | Port bonus | |
| All ships | Armour repair time −2.5%Sail repair time −2.5%Pump repair time −2.5%Rudder repair time −2.5%Magazine repair time −2.5%Hull repair amount +1.5%Sail repair amount +1.5%Repair amount +1.5%Crew +4%Crew transfer speed +2 | Port bonus | |
| All ships | Armour repair time −3%Sail repair time −3%Pump repair time −3%Rudder repair time −3%Magazine repair time −3%Hull repair amount +2%Sail repair amount +2%Repair amount +2%Crew +5%Crew transfer speed +3 | Port bonus | |
| All ships | Armour repair time −5%Sail repair time −5%Pump repair time −5%Rudder repair time −5%Magazine repair time −5%Hull repair amount +2.5%Sail repair amount +2.5%Repair amount +2.5%Crew +8%Crew transfer speed +4 | Port bonus | |
| All ships | Reload time −2%Gun depression +2%Gun elevation +2%Horizontal dispersion −1%Vertical dispersion −1% | Port bonus | |
| All ships | Reload time −2.5%Gun depression +3%Gun elevation +3%Horizontal dispersion −2%Vertical dispersion −2%Penetration +1% | Port bonus | |
| All ships | Reload time −3%Gun depression +4%Gun elevation +4%Horizontal dispersion −3%Vertical dispersion −3%Penetration +2% | Port bonus | |
| All ships | Reload time −5%Gun depression +5%Gun elevation +5%Horizontal dispersion −5%Vertical dispersion −5%Penetration +5% | Port bonus | |
| All ships | Armour HP +2%Armour thickness +1%Fire spread −3%Crew casualty reduction +1% | Port bonus | |
| All ships | Armour HP +2.5%Armour thickness +2%Fire spread −5%Crew casualty reduction +2% | Port bonus | |
| All ships | Armour HP +3%Armour thickness +3%Fire spread −10%Crew casualty reduction +5% | Port bonus | |
| All ships | Armour HP +5%Armour thickness +5%Fire spread −20%Crew casualty reduction +10% | Port bonus | |
| All ships | Heel (max roll angle) −4%Sail damage modifier −3%Top mast HP +1%Middle mast HP +1%Lower mast HP +1%Mast thickness +1% | Port bonus | |
| All ships | Heel (max roll angle) −6%Sail damage modifier −4%Top mast HP +3%Middle mast HP +3%Lower mast HP +3%Mast thickness +2% | Port bonus | |
| All ships | Heel (max roll angle) −8%Sail damage modifier −5%Top mast HP +5%Middle mast HP +5%Lower mast HP +5%Mast thickness +3% | Port bonus | |
| All ships | Heel (max roll angle) −10%Sail damage modifier −7%Top mast HP +7%Middle mast HP +7%Lower mast HP +7%Mast thickness +5% | Port bonus | |
| All ships | Max speed +1%Turn rate +1% | Port bonus | |
| All ships | Max speed +1.5%Turn rate +2%Acceleration +2%Deceleration +2% | Port bonus | |
| All ships | Max speed +2%Turn rate +3%Acceleration +5%Deceleration +5% | Port bonus | |
| All ships | Max speed +3.5%Turn rate +5%Acceleration +10%Deceleration +10% | Port bonus |