At 16'4", the Sirona is short enough to be considered an Ocean play-boat but long enough to hold it’s speed, even when moderately laden. True, it is not intended for multi-week expeditions but it is certainly very suitable for most people, even those with overnight ambitions.
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This review is specifically for the RM version of the Valley Sirona 16-4. I'm 5'10", 150lb slim build. Over the last year I've demoed around ten boats in the 16ft touring category, some plastic, some fiberglass, all for California coastal daytripping and all-rounding. The Sirona, based on its description and marketing, seemed like the perfect fit.
But I could not get the boat to track, even in mild wind and chop. I demoed it for about 15 minutes all told, and re-inspected the hull when I got it back to the dock to make sure there wasn't some severe oilcanning or something that would bias the handling. The truth is, the build and features of the boat are fantastic -- rock solid, great fit, comfortable and stable. Every other boat I tried in the same conditions could hold a line with minimal effort, including the much shorter Gemini. Still a fan of Valley but test this kayak extensively before committing...