Chesapeake Bay Maritime Museum Paddle
Kayak on the Miles River with naturalists from Sultana Projects, then tour the maritime museum. Chesapeake Bay Maritime Museum, St. Michaels, Md. 9 a.m.-noon. 410-778-5954; www.sultanaprojects.org.
Ice Cream Social
Ice cream, friends and a concert by the Eastern Shore Community Band. Onancock Park, Onancock, Va. 6 p.m.
Violent Femmes Concert
Big-time 80s bands Violent Femmes, Colin Hay and Barenaked Ladies on the Last Summer on Earth tour. Calvert Marine Museum, Solomons, Md. 6:30 p.m. www.calvertmarinemuseum.com.
Sassafras River Boat Parade
Wild and wacky boat parade winds its way down the Sassafras River. Georgetown, Md. Parade at 5 p.m. Fireworks at dusk. 410-778-0416; www.kentcounty.com.
Re-enacted tactical drills, military exercises and demonstrations. Yorktown Victory Center, Yorktown, Va. 9 a.m.-6 p.m. 888-593-4682; www.historyisfun.org.
Thomas Point Lighthouse Tours
A boat ride and a tour of Thomas Point Lighthouse, what could be better? Space is limited; book early. Annapolis Maritime Museum, Annapolis. 9 and 11:30 a.m.
Watermen (and women) of Rock Hall, Md., compete in the most-patriotic workboat contest, anchor toss contest and docking contest. On land: food, entertainment and family activities. Rock Hall bulkhead, Rock Hall, Md.
1 p.m. www.rockhallmd.com.
Horn Point Lab Tour
90-minute tours of the Horn Point Lab, a world-class research facility aiming to restore the Chesapeake Bay. Cambridge, Md. Tuesdays, 10 a.m. 410-221-8383; www.umces.edu/hpl.
Let the kids (aimed at the 3-6 crowd) become pirates for a day and storm the Maryland Dove. Register by June 27. Farthing's Ordinary, St. Mary's City, Md. 10-11 a.m.
Waterfront Wine Tasting
Enjoy wine and appetizers while overlooking Middle River. Docking available. Conrad's Ruth Villa, Middle River, Md. 6:30-8:30 p.m. 410-335-4468; www.conradsruthvilla.com.
Canoe and kayak races, the "duck dash" rubber duck race, a float-in on the river, live entertainment, a treasure hunt and a carnival. Seaford, Del.
Southern Chesapeake Leukemia Cup Regatta
PHRF, classic-yacht and cruising-class racing. Gala at the museum to follow. Deltaville Maritime Museum, Deltaville, Va. 804-774-2268; www.leukemiacup.org/va.
11, 18, 25
Fresh local produce, seafood and baked goods, plus live entertainment and local artwork. Riverwalk Landing, Yorktown, Va. 8 a.m.-noon. 757-890-3500; www.yorkcounty.gov/tourism.
Food and live music by the Alexandria Symphony Orchestra, including a performance of the 1812 Overture. Oronoco Bay Park, Alexandria, Va. 7-10 p.m. Fireworks at dusk. 703-746-4343; www.visitalexandriava.com.
Taste of Cambridge
Local chefs compete for top honors while patrons enjoy good eats and a street festival and professional crab-picking contest. Main Street, Cambridge, Md. 5-10 p.m. 443-477-0843; www.cambridgemainstreet.com.
Chesapeake Stand Up Challenge
Sup around a three- or six-mile course off the Eastport peninsula then enjoy shoreside demos, mini-lessons and an after-party. Eastport Yacht Club, Annapolis. 7 a.m.-
1 p.m. 410-934-4220; www.eastofmauiboardshop.com.
James River Splash and Dash
After running a 5K trail course, runners will hand-paddle across the river on inner tubes and party onshore afterward. Preregistration required. Richmond, Va.
2:30 p.m. 804-788-8811; www.jrava.org.
Swim for Life
Swim to raise money for HIV/AIDS research. Rolph's Wharf, Chestertown, Md. Registration 7 a.m., swim starts at 9 a.m. 541-760-1935; www.swimdcac.org.
Jazz and Seafood Festival
Intimate, riverside setting for jazz music and local seafood. Advance ticket sales only. St. Clement's Island-Potomac River Museum, Coltons Point, Md. Noon-9 p.m. 301-769-2222; www.co.saint-marys.md.us/recreate/museums.
Family Boatbuilding Week
Build a wooden crabbing skiff then race it at the town's fish fry and party on July 18. Deltaville Maritime Museum, Deltaville, Va. Sat. Skiff race and party 10 a.m.-4 p.m. 804-776-7200; deltavillemuseum.com.
Tawes Crab and Clam Bake
All-you-can-eat crabs and clams, plus live entertainment. Limited to 6,000 people and regularly sells out. Somers Cove Marina, Crisfield, Md. Noon-4 p.m. 410-968-2500; www.crisfieldchamber.com.
Screwpile Lighthouse Challenge
PHRF round-the-buoys action and lots of festive parties. Headquarters at Holiday Inn Select, Solomons, Md. www.screwpile.net.
PHRF race from the mouth of the Magothy River up the Patapsco to Tide Point, where a post-race party awaits. Benefits Downtown Sailing Center. Race begins at
11 a.m. 410-963-5934; www.bcya.com.