Hard Crab Derby
Famous crab races, a parade, a crab-picking contest, a cook-off, skiff races, a boat-docking contest, rides, games and more. Somers Cove Marina, Crisfield, Md. Thurs. 6-10 p.m.; Fri. 6-9 p.m.; Sat.-Sun. Noon-9 p.m.
CBMM Boat Auction
You never know what interesting vessels will show up on the auction block at Chesapeake Bay Maritime Museum's annual boat auction, as everything from wooden skiffs to classic sloops are put up for sale. Chesapeake Bay Maritime Museum, St. Michaels, Md. Gates open at
8 a.m.; auction 1 p.m. 410-745-2916; www.cbmm.org.
5, 13, 26
Thomas Point Lighthouse Tours
A boat ride and tour of Thomas Point Lighthouse. Annapolis Maritime Museum, Annapolis.
9 and 11:30 a.m. 415-362-7255; www.amaritime.org.
Sultana Public Paddles
Join Sultana Projects' naturalists for special kayak tours. Kayaks provided. 10 a.m.-12:30 p.m. 410-778-5954; sultanaeducation.org.
Boardwalk Arts Show
More than 150 artists' works will be on display along the boardwalk. Colonial Beach, Va. 10 a.m.-5 p.m.
Skipjack Race and Festival
The Deal Island-Chance Lions Club hosts this annual end-of-summer do, featuring skipjack races, a parade, live music, a crab-pot tossing contest, a blessing of the fleet and a fishing tournament. Chance, Md. Sat. 5-9 p.m.; Sun. 9 a.m.-11:30 p.m.; Mon. 8 a.m.-6:30 p.m. skipjack races 9:30 a.m. 410-784-2785; dealislandchancelionsclub.org.
Check out a plethora of gorgeous yachts on display Saturday afternoon during an open house at this year's annual Hatteras 1510 Club National Rendezvous. Port Annapolis Marina, Annapolis. www.hatterasclassicclub.com.
Bay Seafood Festival
Come by boat or car. . . . All-you-can-eat seafood festival with live entertainment, a raffle and auction, and a free water taxi to bring boaters ashore. Advance ticket purchase required. Belle Isle State Park, Lancaster, Va. 4:30-10 p.m. 800-777-9717; www.kiwsrotary.com.
Mathews Market Days
An art show, crafts demonstrations, live entertainment, crab race, pet parade and an outdoor dance. Village Green, Mathews, Va. 9 a.m.-5 p.m. 804-725-7196; mathewsmarketdays.com.
Hampton Bay Days
Tons of live music, an indoor juried art show, arts and crafts vendors, two full-scale carnivals and fireworks, plus educational Bay exhibits, workboats and research vessels on display. Downtown Hampton, Va. Fri. noon-10 p.m.; Sat. 10 a.m.-10 p.m.; Sun. Noon-6 p.m. 757-727-1641; www.baydays.com.
National Capital Leukemia Cup Regatta
This annual PHRF and one-design regatta raises big bucks for the Leukemia and Lymphoma Society. Washington Sailing Marina, Alexandria, Va. Call for details. 703-399-2957; www.leukemiacup.org/nca.www.baltimoreboatshow.com.
Antique and Traditional Small Boat Show
Beautiful old boats will adorn the grounds of the Reedville Fishermen's Museum, with both land and in-water displays, a nautical flea market, boating vendors, music, food and rides on the Elva C. Reedville Fishermen's Museum, Reedville, Va. 10 a.m.-4 p.m. 804-453-6529; www.rfmuseum.org.
Bid farewell to summer with a block party on Main Street. Cambridge, Md. 5-10 p.m. 410-228-1000; www.cambridgemainstreet.com.
Dinner, dancing and drinks at Navy Point during the Chesapeake Bay Maritime Museum's annual fall gala fundraiser. Chesapeake Bay Maritime Museum, St. Michaels, Md. 5:30-10 p.m. 410-745-2916; www.cbmm.org.
Oyster Roast and Dance
Come for the oysters, stay for the music and dancing at this annual museum fundraiser. Deltaville Maritime Museum, Deltaville, Va. 5-9 p.m. 804-776-7200; www.deltavillemuseum.com.
Wye Island Regatta
All person-propelled boats (canoes, kayaks, outriggers, etc.) are welcome to compete in this 13.1-mile race around Wye Island. Wye Landing, Wye Mills, Md. 8 a.m.; www.annapolisrowingclub.com.
Maryland Seafood Festival
Set your sights on all kinds of delicious seafood at this annual showcase for local and regional purveyors of Bay delicacies, many of whom will compete in the Capital newspaper's crab soup cook-off (Saturday). There will also be arts and crafts vendors, wine and beer tastings, contests, a kids interactive zone, standup paddleboard demos and a paddle poker run. Sandy Point State Park, Annapolis. Fri.-Sat. 10 a.m.-9 p.m.; Sun. 10 a.m.-7 p.m. www.mdseafoodfestival.com.
Log Canoe Races
Log canoes will race in the Labor Day Series at the Miles River Yacht Club, St. Michaels, Md. 10 a.m. and 2 p.m.; Sun. 10 a.m. www.facebook.com/groups/logcanoesailors.
History Cruise: The Golden Age of Annapolis
Music and storytelling of the Golden Age of Annapolis by Tom Guay, historian and Eastport Oyster Boy. Schooner Woodwind, Annapolis. 5:30-7:30 p.m. 410-263-7837; www.schoonerwoodwind.com.
Waterfront Wine Tasting
Wine tasting with a view. Docking available. Conrad's Ruth Villa, Middle River, Md. 6:30-8:30 p.m.
Corsica Watershed Awareness Day
Enjoy tours of the historic Bloomfield farmhouse, hayrides, games, food, children's activities and live music at this annual festival to raise funds for the Corsica River Conservancy. Bloomfield Farm, Centreville, Md. Noon-4 p.m. 410-604-2100; www.corsicariverconservancy.org.
Hampton Roads Sunfish Challenge
One hundred tiny Sunfish boats will sail a 12-mile dinghy race from Willoughby Bay to Middle Ground light and back. 757-285-6017; jonathanromero.net/Hampton_Roads_Sunfish_Challenge_%26_Dinghy_Distance_Race/2015_Sunfish_Challenge.html.
Boatyard Beach Bash
Kick off your shoes and dance to the lively beach music at this annual fundraiser. Annapolis Maritime Museum, Annapolis. 5-9 p.m. 410-295-0104; www.amaritime.org.
Taste of Smith Island
Cruise from Crisfield to Smith Island, for excellent seafood and Smith Island Cake, plus a visit to the Smith Island Center. Cruise departs from Somers Cove Marina, Crisfield, Md. 5:30 p.m. Tickets available by calling 410-425-3351 or at www.smithisland.org.
Eat, drink and enjoy the company at the Watermen's oyster roast. Watermen's Museum, Yorktown, Va. Noon-4 p.m. 757-887-2641; www.watermens.org.
Fundraising festival with all-you-can-eat crabs and barbecue, live music and entertainment. Tickets must be purchased in advance. Fairgrounds, Fredericksburg, Va. 4-8 p.m. 540-373-3448; www.riverfriends.org.
Hospice Cup Regatta
PHRF racing, plus beginner racing in the "Hospice" class, a festive post-race party, and a dinghy poker run. Racing on the Severn River 1 a.m.-4 p.m.; dinghy poker run 1:30-5 p.m.; post-race party at Bert Jabin Yacht Yard, 5 p.m. 410-919-8393; www.hospicecup.org.
Dee of St. Mary's Cruise
Explore the Patuxent River on a two-hour tour aboard the skipjack Dee of St. Mary's, one of the last skipjacks built on the Chesapeake. Departs from J.C. Lore Oyster House, Solomons, Md. Call for tickets. 410-326-2042; www.calvertmarinemuseum.com.
Coastal Arts Market
Handmade crafts only at this arts market, including painting, photography, clothing, jewelry and woodwork. Port of Leonardtown Park, Leonardtown, Md. 9 a.m.-3 p.m. 240-309-0686; www.coastalartsmarket.com.
Maryland Lighthouse Challenge
Lighthouse fans from near and far are invited to try visiting 10 participating Bay lighthouses (plus three bonus lights) in a single weekend. Each lighthouse will offer souvenirs, and those who visit all 10 will get a special prize. Sat.-Sun. Lighthouses open 8 a.m.-6 p.m. 410-437-0741; www.cheslights.org.
Alexandria Arts Festival
Stroll through Old Town's open-air festival of the arts, with demonstrations, a children's activity area and food. King Street, Alexandria, Va. Sat. 10 a.m.-7 p.m.; Sun. 10 a.m.-5 p.m. 703-746-3301; www.visitalexandriava.com.
Log Canoe Races
Log canoes will race in the Miles River Yacht Club Higgins and Commodore cup (Sat.) and the Maritime Museum's Bartlett Cup Sunday, St. Michaels, Md. 10 a.m. and 2 p.m. www.facebook.com/groups/logcanoesailors.
Pirate Adventure Weekend
Pirates of all salty backgrounds will pack Maryland's long-standing fall "Renn Fest." Crownsville, Md. 10 a.m.-7 p.m. 800-296-7304; www.rennfest.com.
Calvert County Watermen's Festival
Grab a spot on the bleachers for a fierce docking competition and watermen's celebration. Watermen's Wharf, Solomons, Md. Noon. 410-326-3929; www.calvertwatermen.org.
C.R.A.B. Free Sail
Physically challenged individuals and their families are welcome to sail on the C.R.A.B. fleet for free. Sandy Point State Park, Annapolis. 9:30 a.m.-2:30 p.m. 410-266-5722; www.crabsailing.org.
Crafts vendors, entertainment, crab pot- and anchor-tossing contests and fireworks. Abingdon Ruritan Fairgrounds, Bena, Va. Fri. 3-10 p.m.; Sat. 9 a.m.-9 p.m. 804-815-5654; www.guineajubilee.com.
Neptune Festival Boardwalk Weekend
This weekend of fun events along the Virginia Beach boardwalk is the culmination of the month-long Neptune Festival. Features concerts, arts and crafts, fireworks. Virginia Beach, Va. Fri. 12-11 p.m.; Sat. 10 a.m.-11 p.m.; Sun. 10 a.m.-6 p.m. 757-498-0215, www.neptunefestival.com.
St. Mary's Riverfest
Visiting tall ships, live music, a wade-in with Bernie Fowler, a paddle-in, exhibits, crafts vendors, food, drinks and plenty of fun for the whole family. St. Mary's City, Md. 11 a.m.-4 p.m. 301-737-2903; www.stmaryscity.org.
Washington College's Center for Environment & Society and the Chestertown RiverArts folks have teamed up this year for a new, bigger event to include canoe and kayak races, a cardboard boat regatta, watershed ecology exhibits, a paddler poker run, live music and the illumination of a floating solar sculpture. Wilmer Park, Chestertown, Md. Noon-sunset. 410-778-7295; ces.washcoll.edu.
Run What You Brung Regatta
Around-Kent-Island regatta that ends with a great party. Preregistration required. Mears Point Marina, Kent Narrows, Md. Race begins at 9:30 a.m. 410-739-1000; www.kentislandsailing.org.
Dock Day on the Bay
A blessing of the fleet, live music, cooking and fishing demonstrations, historic fishing boats on display, arts and crafts and children's activities. Somers Cove Marina, Crisfield, Md. Noon-4 p.m. 410-968-1225; www.crisfieldchamber.com.
Choptank Heritage Skipjack Race
Check out Chesapeake Bay skipjacks at the dock (and enjoy shoreside activities), then watch them race along the Choptank River. Cambridge Creek, Cambridge, Md. 10 a.m. 410-228-7141; www.skipjack-nathan.org.
Music on the Nanticoke
Bring your lawn chairs for a free waterfront concert. Water Street, Vienna, Md. 4-7 p.m. 410-924-7863; www.viennamd.org.
Maritime Museum Crab Feast
Eat crabs, help raise money for the Havre de Grace Maritime Museum. 6-9 p.m. 410-939-4800; www.hdgmaritimemuseum.org.
Groovin' in the Park
The last of the Deltaville Maritime Museum's summer concert series. Deltaville, Va. 4-8 p.m. 804-776-7200; www.deltavillemuseum.com.
Yorktown Folk Festival
Four stages of fun entertainment, plus art displays and vendors, and a performance by the York River Symphony. Watermen's Museum, Yorktown, Va. Sat. 10 a.m.-8 p.m.; Sun. 10 a.m.-5 p.m. 757-887-2641; www.watermens.org.
Artwork aplenty, plus food, children's activities and skipjack rides. High Street, Cambridge, Md. Noon-5 p.m. 410-228-7782; www.dorchesterarts.org.
Sept.29 - Oct.4
Seminars, clinics, entertainment, and both new and used trawlers for sale. Bay Bridge Marina, Stevensville, Md. 10 a.m.-5 p.m. 888-487-2953; www.passagemaker.com.