John,
The figures I wrote were for my 2006 Marlin, not sure what year you have.
Boat only (dry) with no options an no gear: 8221 lbs
Twin Yamaha F250 with ss props (wet): 1300
Full fuel (306 gallons at 6.2lb gallon): 1900
Water tank, including water heater (45g x 8.34): 375
Options (A/C...