Damages caused by the average hurricane amount to $21.6 billion, source USAtoday.com. Our marine business insurance specialists will attest to the threat that hurricanes can pose to marinas, boatyards, and manufacturers. When Mother Nature is in a fury, stormy weather and high winds can cause significant damage to buildings and structures. When you repair or rebuild you must adhere to current building regulations. Unfortunately, standard coverage often does not cover the cost of upgrades that new legislation demands and marine business owners are often left with a hefty bill.