Grady White · South Shore Marine
Grady White Marlin 300
Introducing the 2025 Grady-White Marlin 300 Walkaround – a new standard in offshore adventure, comfort, and versatility.
Model Overview
Grady White Marlin 300
The 2025 Grady-White Marlin 300 is a 30.5-foot walkaround boat that seamlessly blends rugged offshore capability with refined comfort. As a new model, it boasts the latest advancements in marine engineering and design, making it a standout choice among Grady-White boats for sale. The Marlin 300’s spacious layout, innovative features, and attention to detail ensure that every outing is as enjoyable as it is memorable. With its striking Gel Coat in Ocean Mist Blue and a thoughtfully designed helm, this boat offers both curb appeal and functionality.
Length
30'6"
Beam
10' 7"
Horsepower
600
Category
Walkaround
Engine Make
YAMAHA
Built to Perform
Performance & Design
Power and reliability are at the heart of the Grady-White Marlin 300. Equipped with dual Yamaha F300NSB4 engines, this walkaround delivers an impressive combined 600 horsepower, ensuring smooth, responsive handling and exhilarating speed. The Prerig F300NSB4 setup optimizes engine performance, while the advanced hull design provides a stable, dry ride even in challenging offshore conditions. Whether you are cruising to your favorite fishing spot or enjoying a leisurely day on the water, the Marlin 300’s performance inspires confidence and excitement.
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The South Shore Marine Difference
Why Buy From South Shore Marine
Unmatched Expertise
Our knowledgeable team brings decades of combined boating experience to guide you through every purchase, service, and adventure on the water.
Curated Brand Selection
We offer a hand-picked lineup of top-tier boats, pontoons, and yachts, ensuring quality, performance, and style in every choice.
Full-Service Convenience
From maintenance and storage to prep and detailing, our full-service approach keeps your boat ready for effortless enjoyment all year.
Lifestyle & Community
We go beyond boats—creating a welcoming marine community with events, expert advice, and experiences that connect you to the water lifestyle.
Get On the Water Faster
Financing & Trade-In
Competitive marine financing with same-day pre-approval available. Or trade in your current boat and apply the value toward your Grady White Marlin 300.
The Family
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