Grady-White Marlin 300 30 foot Walkaround Cabin Boat Fishing

Marlin 300

30' WALKAROUND CABIN

 

The first model Grady-White built on the exclusive SeaV²® hull, the Marlin 300, offers amazing performance and true offshore saltwater fishing boat capability. Since that first design over three decades ago, the Marlin 300, has been refined through customer input and Grady’s acclaimed exceptional attention to detail. From the high windshield with ventilated tempered glass to the plush seating and luxurious cabin, this is a much-loved, legendary 30-foot walkaround fishing boat with abundant family-friendly details.

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Marlin 300 Main Specifications

Beam Amidships
10'7" (3.23 m)

Center Line Length w/o Engines
30'6" (9.30 m)

Bridge Clearance
9'9" (2.97 m)

Cockpit Depth
29" (0.74 m)

Hull Draft
23" (0.58 m)

Transom Deadrise

Maximum HP
700 (522 kW)

Fuel Capacity - Standard
282 gal. (1067 l)

Weight w/o Engines
8221 lb. (3729 kg)


Marlin 300 Features & Options

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Select camera icons where available to view feature photos

patent icon

Denotes feature as trademarked, exclusive, patented, or patent pending

STANDARD FEATURES

Safety

2 automatic bilge pumps (total 2600 GPH) (9842 LPH)

Basic flotation

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Hardtop

Bow rail - 316 grade stainless steel

Gulfstream 232 Grady White 23 foot Walkaround Cabin Boat Captain Grady App

Captain Grady® - digital boat systems & operations guide for iPad & iPhone

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Toe Rails

Cockpit toe rails

Composite stringer system & transom - water impervious

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Non Skid

Nonskid fiberglass liner

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Non Skid

Nonskid recessed walkaround

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cockpit

Self-bailing cockpit w/cockpit drains (4)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Through Hull Fitting

Stainless steel through-hull fittings

Cabin

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cabin Accessory Outlet

Accessory outlet - 5V duplex USB port

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Aft Berth

Berth - aft double berth

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Forward Berth

Berth - forward vee berth

Grady-White Marlin 300 30 foot Walkaround Cabin Boat CO Monitor

Carbon monoxide detector

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Companion Hatch

Door - lockable w/screen & companionway hatch

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Forward Hatch

Forward hatch - low profile acrylic hatch w/screen & shade

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Full Galley

Galley - port galley w/sink, light & Corian® cutting board

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Head

Head - enclosed head area w/sink, shower, lamp & VacuFlush® marine head w/freshwater supply, 10-gallon (38 l) holding tank, overboard discharge & deck pump out

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Dome Light

Lighting - dome (2)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Reading LIght

Lighting - reading (3)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Microwave

Microwave oven

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Head Mirror

Mirror

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Refrigerator

Refrigerator - stainless steel

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Aft Berth

Rod storage - aft berth horizontal (4)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cabin Rod Storage Racks

Rod storage - forward horizontal (6)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Microwave

Stereo system w/AM/FM tuner, MP3 auxiliary audio connections/amplifier, Bluetooth®, remote unit & fold down storage; speakers w/LED lights - cabin (2), cockpit (2), helm (2)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Galley

Storage - galley cabinets & counter

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Under Berth Storage

Storage - under berth compartments

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Aft Berth

Storage nets

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Full Galley

Stove - electric glass top

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cabin Table

Table - cherry

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cabin Interior

Teak & holly sole

Water heater - 6-gallon (22.7 l), 120V

Water tank - 32-gallon (121.1 l) freshwater

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Window

Windows - tinted frameless acrylic w/shade

Cockpit & Deck

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Grady-White Marlin 300 30 foot Walkaround Cabin Boat Hand Laid Hull

100% hand laid SeaV² hull & deck

Grady-White Marlin 300 30 foot Walkaround Cabin Boat 12V Outlet

Accessory outlet - 12V

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Accessory Outlet

Accessory outlet - 5V duplex USB port

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Anchor Windlass

Anchor windlass w/remote switches at helm & windlass

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Batteries

Batteries (4) w/battery select switches (2) & charger system (1)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Bow Pulpit

Bow pulpit w/roller

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Stainless Steel Cleat

Cleats

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cockpit

Cockpit bolsters

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cockpit Shower

Cockpit freshwater shower (recessed)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Rod Storage Racks

Cockpit lights - blue LED

Companion grab rail

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Stainless Steel Hardware

Deck hardware - 316 grade stainless steel through-bolted

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Dockside Power

Dockside power w/galvanic isolator

Drink holders - stainless steel (9)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Engine Flush

Engine flush system w/hose attachment aft (one per engine)

Factory engine pre-rigging

Fighting chair reinforcement

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Aft Fish Box

Fish box - 290-qt. (274.4 l) aft insulated fish box w/light & ob drain

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Flush Mount Electronics Area

Flush mount electronics area

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Helm Footrest

Footrests - helm & companion (adjustable)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Fresh Water Gauge

Freshwater level indicator

Fuel capacity - 282 gallons (141-gallon tank, 141-gallon tank) (1067 l)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Hardtop

Hardtop w/painted aluminum frame, radio box, storage nets, spreader lights, side mounted rod holders (4), outrigger plates & drop, front & side curtains (black or ivory)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Trim Tabs

Hydraulic trim tabs w/indicator & retractor

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Outboard Mount

Integrated outboard mounting system w/swim platform & ladder

International lighting

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Livewell

Livewell - 32-gallon (121.1 l) port insulated raw water livewell w/light, full column distribution inlet & ob drain (1100 GPH pump) (4164 LPH)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Rigging Station

Rigging station - freshwater sink, insulated bait box w/ob drain & lockable drawers

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Gunwale Rod Holder

Rod holders (4)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Rod Storage Racks

Rod storage racks - horizontal (6)

Rubrail - high density PVC w/stainless steel insert

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Deluxe Helm and Companion Seating

Seating - Deluxe II vertically & horizontally adjustable helm & companion chairs

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Grady-White Marlin 300 30 foot Walkaround Cabin Boat Foldaway Aft Bench Seat

Seating - foldaway aft bench seat w/cushion

Grady-White Marlin 300 30-foot Walk around Cabin Boat Fore deck Cushions

Seating - foredeck cushions

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Port Side Cushioned Seating

Seating - port livewell cushion

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Starboard Cushioned Seating

Seating - starboard rigging station cushion

Steering - Helm Master EX® Digital Electric Steering

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Steering Wheel and Compass

Steering wheel - 316 grade stainless steel w/knob

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Stern Eye

Stern eyes - 316 grade stainless steel

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Lift Out Box

Storage - aft deck lift out box

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Anchor Windlass and Rode Storage

Storage - forward anchor locker w/rode storage

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Under Seat Storage

Storage - lockable storage under helm & companion seats

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Under Step Storage

Storage - under step compartment

Transducer mounting flats

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Transom Door

Transom door - fiberglass

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Raw Water

Washdown - freshwater

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Raw Water

Washdown - pressurized raw water w/hose

Water tank - 32-gallon (121.1 l)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Windshield

Windshield - ventilated tempered glass

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Windshield

Windshield wipers w/starboard washer

OPTIONAL FEATURES

Options

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Air Conditioning

Air conditioning - 8000 BTU in cabin

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Bow Thruster

Bow thruster

CE certification package (European Conformity)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Cockpit Shower

Cockpit freshwater shower w/hot & cold mixer

Grady-White Marlin 300 30 foot Walkaround Cabin Boat White Engines

Engine paint - Yamaha factory-painted engine(s), pearlescent white

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Generator

Generator - 5kW diesel, 12-gallon (45.4 l) fuel capacity

Hardtop color - underside of fiberglass hardtop (requires matching gelcoat hull color option)

Grady White Boats Hull Colors

Hull color - Celestial Blue, Coastal Fog Blue, Ocean Mist Blue, Sand, Sea Glass or Seaport Blue gelcoat; Cape Gray or Harbor Blue paint

International AC electrical conversion - 220V (50Hz)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Underwater Lights

Lighting - underwater blue LED (3)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Outriggers

Outrigger kit - 15-ft. (4.6 m) crank hardtop mounted

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Outrigger

Outrigger kit - 15-ft. (4.6 m) radial hardtop mounted

Painted hardtop top mounted rod holders (6)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Rod Storage

Rod storage - folding cabin rack (4)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Companion Seating

Seating - companion bench seat (replaces Deluxe II companion chair)

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Command Elite Helm Chair

Seating - Command Elite contoured helm chair (1) horizontally & vertically adjustable w/deluxe cushioning & flip-up bolster

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Command Elite Helm And Companion Chairs 2000

Seating - Command Elite contoured helm chair & companion chair (2) horizontally & vertically adjustable w/deluxe cushioning & flip-up bolster

Steering - Helm Master EX® w/Full Maneuverability

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Flatscreen TV

TV - 19" LED flat screen w/DVD player


Marlin 300 Performance Data

Two gray Yamaha 300 hp engines
300 Yamaha Four-Stroke
Twin

Top Speed: 49.5 MPH @ 5800 RPM

Optimum Cruise: 29.7 MPH @ 3800 RPM

GPH at Optimum Cruise: 21.5

MPG at Optimum Cruise: 1.38

Gray engine color

GRAY

Standard

White engine color

WHITE

Optional

Two gray Yamaha 300 hp engines
300 Yamaha Four-Stroke
Twin

Engine Size

4.2L

Test Date

9/22/2010

Prop Size

15 1/2 X 17 SWS II SDS

Weight as Tested

11697 lb. (including persons, fuel, water, gear, engines & accessories)

Hardtop

Yes

Bow Pulpit

Yes

Bottom Paint

No

Optimum Cruise

29.7 MPH @ 3800 RPM

RPM MPH GPH MPG
1000 6.0 2.6 2.31
1500 7.9 4.1 1.94
2000 8.8 6.7 1.31
2500 9.7 10.0 0.97
3000 14.6 12.8 1.14
3500 26.4 18.0 1.47
3800 29.7 21.5 1.38
4000 31.5 23.9 1.32
4500 36.6 30.7 1.19
5000 42.0 40.4 1.04
5500 46.4 50.7 0.92
5800 49.5 52.3 0.95
Back To Engines
PERFORMANCE DISCLAIMERS
The following variables can affect performance: wind, current, sea conditions, speed, engine performance, transducer, trolling time, engine trim, bottom paint, trim tabs, curtains, tops, gear placement and prop size/condition/type. This report should be used only as a general reference guide. Prop size, pitch and prop features listed in this performance report reflect the available props factory installed on new boats from Grady-White at this time. Props cited in the report may be an updated version(s) of the prop(s) used at the time of the test.
Two gray Yamaha 300 hp engines
300 Yamaha Four-Stroke
Twin

Engine Size

4.2L

Test Date

9/22/2010

Prop Size

15 1/2 X 17 SWS II SDS

Weight as Tested

11697 lb. (including persons, fuel, water, gear, engines & accessories)

Hardtop

Yes

Bow Pulpit

Yes

Bottom Paint

No

Optimum Cruise

29.7 MPH @ 3800 RPM

RPM MPH GPH MPG
1000 6.0 2.6 2.31
1500 7.9 4.1 1.94
2000 8.8 6.7 1.31
2500 9.7 10.0 0.97
3000 14.6 12.8 1.14
3500 26.4 18.0 1.47
3800 29.7 21.5 1.38
4000 31.5 23.9 1.32
4500 36.6 30.7 1.19
5000 42.0 40.4 1.04
5500 46.4 50.7 0.92
5800 49.5 52.3 0.95
Back To Engines
PERFORMANCE DISCLAIMERS
The following variables can affect performance: wind, current, sea conditions, speed, engine performance, transducer, trolling time, engine trim, bottom paint, trim tabs, curtains, tops, gear placement and prop size/condition/type. This report should be used only as a general reference guide. Prop size, pitch and prop features listed in this performance report reflect the available props factory installed on new boats from Grady-White at this time. Props cited in the report may be an updated version(s) of the prop(s) used at the time of the test.

Marlin 300 Overhead

Select the hotspots below to learn more about the Marlin 300 features.

Grady-White Marlin 300 30 foot Walkaround Cabin Boat Overhead

Marlin 300 Virtual Tour


Videos

Customer Reviews


Industry Reviews

 

 Nov-Dec 2019, Pacific Power Boat - "Grady-White Marlin 300 WA"

 

 October 18, 2018, BD Outdoors.com - "Yamaha Helm Master—Do You Want It, Do You Need It?"

 

 2017, BoatTEST.com - "Grady-White Marlin 300 (2017-)"

 

 January 2015, Soundings - "Grady-White 280 Marlin"

 

 June 2007, Motorboating - "Grady-White 300"