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Marathon Boat Group - Grumman Sport Boat

Marathon Boat Group - Grumman Sport Boat

2025
United States
Marathon Boat Group

System at a Glance

This 2025 Grumman Sport Boat is an electric Fishing boat from Marathon Boat Group, powered by a 1,000 W ePropulsion motor and a 1,276 Wh battery pack, offering a quiet and eco-friendly boating experience.

Length (LOA)4.66 m (15.3 ft)
Beam (BOA)1.13 m (3.7 ft)
Hull Draft0.09 m (0.3 ft)
Hull ConfigMonohull
Hull TypeSemi Displacement
Displacement55 kg (122 lbs)
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Electric Propulsion System

Electric Propulsion System

Motor

1 × SPIRIT 1.0 Evo Shortshaft

Total Power: 1,000 W
SPIRIT 1.0 Evo Shortshaft

Battery

1 × Spirit 1.0 Plus/Evo Battery

Capacity: 1,276 Wh
Spirit 1.0 Plus/Evo Battery

Propeller

1 × Spirit 1.0 Plus/Evo Propeller

Rated RPM: 1200
Propeller
Top Speed
5.4 kn
Cruising
4.6 kn
Est. Range
7-38 NM

Ready to spec this for your boat?

Our team will match motors, batteries, and cabling to your hull and duty cycle.

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  • Make & Model
    Marathon Boat Group Grumman Sport Boat (2025)
    Hull Type
    Semi Displacement
    Configuration
    Monohull
    Prop Diameter
    280.00 mm
    Prop Pitch
    148.00 mm
    Prop Rated RPM
    1200
  • LOA
    4.66 m
    Beam (BOA)
    1.13 m
    Draft
    0.09 m
  • Displacement
    55 kg
    Motor & Battery
    19 kg
    Total Weight
    74 kg

Interested in this Boat?

This Marathon Boat Group Grumman Sport Boat was listed by Mack Boring, the official ePropulsion Distributor for United States

Reach out for performance details, configuration advice, or to locate a nearby dealer.

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