Boat and trailer storage. Deale, MD. $75/month. www.rockholdcreekmarina.com. 410-867-7919.

Marine Charters: Sail the Chesapeake - Half- or full-day charter. Licensed captain, pristine yacht. HDB Marine Charters, Herrington Harbour South. 301-855-3851, 301-346-6692.

What's in Your Tank? Diesel and ethanol-enhanced gasoline are unstable and can wreak havoc on your fuel tank. At Petro Scrub, our certified technicians come to your boat and clean the tank and the fuel … with guaranteed results. 443-270-4349.