Brief Overview: The Silver Line S470N is a 4.7m/15ft rigid inflatable boat (RIB) with a motor capacity of up to 70HP, designed to be economic, versatile, and practical. It is available in three layouts: Lux for a recreational semi-rigide or classy yacht tender, Sport for an agile sports RIB, and Open for a simple fiberglass dinghy boat.

Initial Impressions and Key Features: The S470N is lauded for its lightweight and efficient hull, versatility in function, and suitability for various purposes including being a luxurious RIB or a classy yacht tender in the Lux version, a sports RHIB in the Sport version, or a simple and spacious dinghy in the Open version.

Brand Background

History and Reputation of the Brand: Grand Boats has a rich history of producing high-quality RIBs that exemplify maritime mastery, known for their powerful performance and innovative design.

Notable Achievements or Innovations in the Inflatable Boat Industry: The brand is recognized for its commitment to innovation, performance, and delivering enhanced features that elevate the boating experience.

Specifications and Features

Specifications and Features

  • Detailed Specifications:
    • Overall Length: 470 cm / 15’5″
    • Inside Length: 340 cm / 11’2″
    • Overall Width: 205 cm / 6’9″
    • Inside Width: 105 cm / 3’4″
    • Bare Boat Weight: 170-208 kg / 374-458 lbs
    • In-package Weight: 226-265 kg / 497-583 lbs
    • Loading Capacity: 900 kg / 1980 lbs
    • Passenger Capacity: 8
    • Engine Recommended: 50 HP / 36.8 kW
    • Engine Maximum: 70 HP / 51.5 kW
    • Tube Diameter: 50 cm / 20″
    • Tube Chambers: 5
  • Unique Features and Technology: The S470N features a multi-chamber inflatable tube, bow storage compartment, various versions for seating and storage, integrated towing & lifting eyes, set of seating cushions and backrests, and more.
  • Comparison with Previous Models or Competitors: The S470N distinguishes itself with its versatility, being available in three different layouts catering to various needs, and its focus on practicality and functionality.

Design and Construction

Analysis of the Boat’s Design Aesthetics and Functionality: The S470N is designed to be practical, functional, and versatile, catering to different uses and preferences with its three distinct versions.

Quality of Materials Used and Construction Durability: It’s made with PVC or Hypalon for the tube, ensuring durability and quality.

Portability and Ease of Storage: The boat’s design and weight make it relatively easy to handle and store.

Performance and Handling

On-Water Performance: With a maximum engine power of 70 HP, the S470N is expected to deliver stability, maneuverability, and speed.

Suitability for Different Water Conditions: Designed to handle various water conditions, ensuring safety and enjoyment for users.

Load Capacity and Comfort for Passengers: Can comfortably carry up to 8 passengers, ensuring a balance between load capacity and comfort.

Setup and Maintenance

Ease of Inflation and Assembly: Designed with user convenience in mind for easy setup.

Maintenance Requirements and Durability over Time: High-quality materials ensure durability with minimal maintenance requirements.

Availability and Cost of Replacement Parts: Grand Boats provides necessary parts and accessories for maintenance and service.

Accessories and Customization

Included Accessories: Comes with a pump, paddles, maintenance kit, and other essential accessories.

Available Upgrades and Customization Options: Options include a removable bow sundeck kit, canvas bimini-top, overall and consoles covers, SeaDek soft anti-skid flooring, and more.

Compatibility with Third-party Accessories: Compatible with a wide range of accessories, enhancing its utility and adaptability.

User Experience and Reviews

Summarize User Reviews and Feedback: Specific user reviews are not provided on the website. However, the features and design of the S470N suggest it would be well-received for its versatility and functionality.

Highlight Common Praises and Concerns: Likely praised for its versatility, functionality, and the options it provides to cater to different preferences. Concerns, if any, might relate to handling and maintenance for novice users.

Price and Value

Pricing Information and Comparison with Similar Models: Pricing is not directly provided on the website. Interested parties are advised to contact local distributors/dealers for price and availability.

Assessment of the Boat’s Value for Money: Given its versatility, design, and functionality, the S470N is positioned as a valuable investment for a range of boating enthusiasts.

Potential Resale Value and Warranty Coverage: The S470N’s build quality and brand reputation suggest a good resale value. Warranty details should be obtained from the distributor.

Pros and Cons

  • Clear and Concise List of the Boat’s Advantages and Limitations: Pros include its versatility with three layout options, practicality, and functionalit
  •  Cons may include the need for boating experience to handle it effectively and the cost of additional premium features.

Conclusion and Recommendations

Final Thoughts and Overall Rating: The Silver Line S470N represents Grand Boats’ commitment to providing versatile and functional RIBs, suitable for a range of purposes from luxury tenders to sports and recreational activities.

Recommended User Profiles: Ideal for individuals or groups looking for a versatile, practical, and functional RIB boat for various purposes.

Alternatives for Different Needs or Budgets: Buyers may explore other models from Grand Boats or competitive brands for different sizes, features, or budget considerations.


What are the different versions of the S470N and how do they differ?

The S470N is available in Lux, Sport, and Open versions, each offering unique features and layouts catering to luxury, sports, or simple dinghy needs respectively.

What customization options are available for the S470N?

Customization options for the S470N include a removable bow sundeck kit, canvas bimini-top, SeaDek soft anti-skid flooring, and various covers and protectors.

How does the S470N cater to different water conditions?

The S470N is designed to be versatile and capable, suitable for various water conditions ensuring safety and enjoyment.

What are the key features that enhance the S470N’s boating experience?

Key features include its versatility with three layout options, practicality, and a range of customization options to cater to different needs and preferences.

How does the S470N balance load capacity and comfort for passengers?

The S470N offers a practical layout and load capacity for up to 8 passengers, ensuring a balance of functionality and comfort for various activities.

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