Surf Shop Box Flash Sale: Get $30 Off Your First Box! Posted by Hello Subscription on March 30, 2018. Subscription Box Coupons & Deals / Surf Shop Box Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Surf Shop Box is having a flash sale until Sunday! From now until 4/1, new subscribers will get $30 off their first box! Use the coupon code OHANA30 to get the deal! Are you getting Surf Shop Box?