If you look closely, the storage boxes in the lazarette do drain into the cockpit with a hole. Not really big enough for a full size tank though. This is where I keep my green bbq cans though when cruising because there is an "outside drain"
West Marine Affiliate Program
The J/30 Class Association has partnered with West Marine and is now a member of the West Marine affiliate program. You can support the J/30 Class when you make your West Marine purchases online. The J/30 Class Association receives a percentage of sales from your purchases when you click through from our website. Click the logo above and you will be directed to the West Marine website with a cookie that identifies you as a J/30 affiliate. You can also use any discounts that you may be authorized.