The Used 5'10 CI #4 Shortboard Surfboard is a performance-driven board shaped for speed, responsiveness, and modern shortboarding. Designed by Channel Islands, the #4 is known for its balanced rocker, drivey outline, and ability to handle a wide range of conditions. This particular board is rated 2 out of 5 stars, showing visible signs of use, but still offers solid value for a surfer seeking an affordable entry into a proven CI shape.
Stock Dimensions
Length: 5'10"
Width: 19 1/4"
Thickness: 2 7/16"
Volume: 29.46 liters
Key Features
Performance Outline: Balanced shortboard design for speed, drive, and tight turning ability.
29.46-Liter Volume: Provides paddle power while maintaining high-performance responsiveness.
Futures Fin System: Compatible with Futures fins for customizable setups (fins not included).
Channel Islands Design: A trusted shortboard template from one of surfing’s most iconic brands.
Used Condition: Rated 2/5 stars—shows significant wear, priced accordingly for budget-conscious surfers.
Why Choose the CI #4?
The CI #4 Shortboard has been a staple in the Channel Islands lineup for its versatility and performance across a wide range of waves. While this board shows noticeable wear, it still has life left for a surfer who wants to experience the feel of a CI shape at a fraction of the cost. Great as a backup board, for travel, or as a budget-friendly step into high-performance surfing.
Score a deal with the Used CI #4—affordable, proven, and ready to ride.
Orders over $75 within the Continental USA qualify for free shipping. This excludes surfboards, skateboards, surfboard bags, and other oversized items.
Oversized Items
Oversized items like surfboards and certain skateboard items do not qualify for free shipping. Shipping rates for these items are calculated live in the cart or at checkout based on their size and weight.
Surfboards Under 5'11" and 21" Wide
Surfboards under 5'11" in length and 21" in width can ship via standard UPS without an additional surcharge. Live shipping rates are quoted in the cart or at checkout, offering an accurate cost based on the shipping destination.
Surfboards Over 5'11" or 21" Wide
Surfboards over 5'11" in length or wider than 21" are considered oversized by UPS and incur a UPS Oversize Package surcharge of $160-$235, in addition to the standard shipping cost. This fee is quoted live in the cart or at checkout. Rider Shack does not control these UPS-imposed fees.
Surfboards Over 8'
Surfboards longer than 8' exceed standard UPS shipping size limits and cannot be shipped via UPS. These are available for in-store pickup or airport pickup, with the latter option typically costing around $200. For airport pickup arrangements, please contact us directly for a personalized quote.
Significant wear and tear: open dings, buckle repairs, extreme dents, severe discoloration, delamination. Often requires a lot of repair work or is best used as a decor board.
2 Stars
Worn
Discoloration, minor dents, chips, and cracks. Will typically require some repairs.
3 Stars
Used
Mild dents, professionally repaired dings, slight discoloration, and cosmetic fractures. Might need some repairs but is overall in decent condition with lots of life left.
4 Stars
Lightly Used
Like new or very lightly used. Might have minor professionally fixed repairs and standard pressure denting.
5 Stars
Nearly New
Essentially brand new, with very minimal pressure denting, no dings, and in near-perfect condition.
