SIB 400 Inflatable Boat — 400 cm Sport Boat with V-Keel

Classic versatility, modern durability

The SIB 400 is a proven sport inflatable boat design with a V-shaped inflatable keel that cuts through chop and tracks straight. With 6+1 capacity and multi-chamber safety, it is equally at home on family outings, fishing trips, or as a commercial workboat.

Construction

• 1.0 mm PVC tubes with UV-resistant coating (1100 Denier)
• Inflatable V-keel for wave-cutting and tracking stability
• 6+1 compartment design for safety redundancy
• Removable floorboards (aluminum or drop-stitch options)
• Heavy-duty rubbing strakes for beach landing protection
• Self-bailing drain valve (standard)
• All-around safety grab lines and reinforced carrying handles

Package Includes

• Boat hull with V-keel
• Floorboard set (aluminum or drop-stitch as ordered)
• Two aluminum oars with blades
• High-output foot pump with pressure gauge
• Repair kit with PVC patches and valves
• Heavy-duty wheeled carry bag
• Removable rowing seats (qty varies by size)

Ideal For

• Family recreation on lakes and slow rivers
• Fishing and angling on inland waters
• Camping and outdoor water adventures
• Tender for larger vessels and yachts
• Commercial rental fleet operations

Designed For

• Resort & Hotel Rental Fleets: 400 cm SIB with 6+1 capacity ideal for guest rental programs. V-keel provides stable tracking for novice boaters. Durable 1.0 mm PVC handles daily turnover. Aluminum floorboards provide maximum durability for commercial use.
• Fishing Guides & Anglers: Flat standing surface with aluminum floorboards offers a stable casting platform. Self-bailing drain keeps cockpit dry. Multiple D-rings for accessory mounting. 6+1 capacity accommodates guide plus clients.
• Lakefront & Marina Operations: Stable, predictable handling in sheltered waters. Supports outboards up to 50 HP for marina service runs and guest transfers.
• Family Recreation: Roomy 6+1 design with removable seats. Packs into a car-trunk-portable carry bag. Quick inflation gets you on the water in under 10 minutes.
• Base Camp & Expedition: Lightweight and packable for remote transport. 6+1 construction provides safety margin in remote environments.

Not Designed For

• Commercial Whitewater & Rapids: Not rated for Class II+ rapids. Inflatable kayaks or rafts recommended for river running.
• High-Speed Planing Operations: Optimized for displacement speeds up to planing threshold. For planing performance, consider rigid-hull inflatables.
• Offshore & Open Ocean: Protected waters only (lakes, rivers, sheltered bays). Not designed for open ocean, surf zones, or exposed coastal waters.
• Professional Rescue Operations: Lacks self-bailing floor, quick-inflation features, and specialized rescue hardware required for emergency response.
• Waterskiing & High-Speed Towing: 50 HP max power rating. Not designed for waterskiing, wakeboarding, or tube towing.