Our boat, Sunday Morning, is a 2005 Nordhavn 55 (hull 5506).   

 

Facts about Nordhavn 55:

LOA 56'1"
Beam 18'
Draft 6'6"
Displacement 115,000 lbs
Fresh Water Capacity 600 gals
Fuel Capacity 2,250 gals
Black Water Capacity 120 gals
Grey Water Capacity 110 gals

 

Nordhavn Website:  http://www.nordhavn.com

 

Nordhavn 55, now the model 60:  http://www.nordhavn.com/models/60/