Overland Insurance Services - Request quotes for motorhome, motorcycle, watercraft, and mobile home insurance in most states. National Marine Underwriters, Inc. - Insuring boats, six-person charter, and personal watercraft in 48 states. Offers real-time quotes on many risks. Miller Insurance Agency, Inc. - Free insurance quotes for recreational vehicles and travel trailers. Offices in Oregon and Washington. Oversea Boat Insurance - Marine insurance for sportfishers, luxury cruisers, super-yachts, sailboats, mega-yachts, charter boats, or almost any vessel. Serving California, Florida, and Hawaii. United Marine Underwriters - Provides boat and yacht insurance nationwide. Instant rate quotes. McGrath Insurance Group - Offers insurance for boats, jet skis, sailboats, and yachts in Pennsylvania. Total Dollar Boat Insurance - Boat and marine insurance for offshore high performance, poker run, and pleasure powerboats including Fountain, Skater, Cigarette, and Superboat. Located in New Jersey.