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Free Kayaking
Join the West/Rhode Riverkeeper for an evening of free kayaking along Parish Creek and the West River. Discovery Village, Shady Side, Md. 5 p.m. 410-867-7171; www.westrhoderiverkeeper.org.

Annapolis Rotary Crab Feast
Get your fill of steamed crabs, crab soup, corn on the cob and barbecue, along with some 3,000 others at this giant crab feast. There will also be auctions, a raffle and more. U.S. Navy-Marine Corps Stadium, Annapolis. 5-8 p.m. 410-626-9888; www.annapolisrotary.com.

Governor's Cup Yacht Race
This 40th anniversary running of the annual 70-mile overnight race from Annapolis to St. Mary's City, Md., (and now a second Potomac leg from Dahlgren, Va.) is sure to draw a ton of boats and a ton of partiers to its legendary post-race party, where racers and spectators can celebrate all day as the racers cross the finish line on Saturday. The Friday race starts at 2:55 p.m.; Sat. live music starts at 10 a.m. 240-895-3039; www.smcm.edu/govcup. 

Buyboat Reunion
For its 10th annual buyboat reunion, Bay buyboats will convene in Urbanna, Va. for a weekend of good fun, tours of the boats and more, then depart on the 4th for a lower Bay tour, including stops in Poquoson, Va., and Tangier. Find all the details at www.oysterbuyboats.com/cbbareuncruise2013.html.

Gadsby's Tavern Day
Take advantage of this free open house at Old Town Alexandria's renowned Gadsby's Tavern Museum. Get a taste of the late 18th and early 19th century in Alexandria at what was once the town's five-star hotel of the day-with guests that included George Washington, Thomas Jefferson and the Marquis de Lafayette. Alexandria, Va. 1-5 p.m. 703-746-4242; alexandriava.gov/gadsbystavern.

Beach Party on the Square
This annual beach party features family entertainment, music, sand volleyball, contests, games, prizes and lots more. Leonardtown, Md. 4-9 p.m. 301-475-9791; www.leonardtown.somd.com.

Betterton Appreciation Day
Head to family-friendly Betterton Beach for this annual party that includes swimming, contests, arts and crafts vendors and a parade. Betterton Town Park, Betterton, Md. 10 a.m.-5 p.m., parade at 10:30 a.m. 410-348-5678; www.kentcounty.com.

Kids Fishing Tournament
It's all about the kids during this annual fishing tournament at Leesylvania State Park on the Potomac. Leesylvania, Va. 9-11 a.m. 703-730-8205; www.dcr.virginia.gov/state_parks/lee.shtml.

3, 10, 17, 24 
Market Days
Saturday mornings at Riverwalk Landing, Yorktown, Va.'s welcoming waterfront park, will be brimming with goodies from local produce, fresh seafood and baked goods to live entertainment and local artwork. Riverwalk Landing, Yorktown, Va. 8 a.m.-noon. 757-890-3500; www.yorkcounty.gov/tourism.

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Canoe Excursions
Look for wildlife along the shores of Muddy Creek and the Rhode River with Smithsonian environmentalists during these paddle trips. Good for beginner or intermediate paddlers. Smithsonian Environmental Research Center, Edgewater, Md. 9-11:30 a.m. 443-482-2300; www.serc.si.edu.

Havre de Grace Seafood Festival
This weekend is packed full of fun, complete with local seafood, crafts, vendors and entertainment. Tydings Memorial Park, Havre de Grace, Md. Fri. 4-8 p.m.; Sat. 10 a.m.-8 p.m.; Sun. 10 a.m.-6 p.m. 410-939-1525; www.hdgseafoodfestival.org.

Hampton Cup Regatta
Watch 10 classes of the fastest hydroplanes in the country rocket across Mill Creek in Hampton, all while enjoying food, music and festivities on shore. East Mercury Bridge, Fort Monroe, Va. Fri. Bash at the Bridge party (free and open to public) 6 p.m. Sat.-Sun., bridge opens at 10 a.m., races noon-5 p.m. 757-329-4502; www.hamptoncupregatta.org.

Pirates & Wenches Fantasy Weekend
Rock Hall, Md., will be awash with pirates during this weekend of pirate-themed fun for buccaneers of all ages. This year's fun will include a dinghy poker run, a decorated dinghy contest and race, a buccaneer ball, a beach party, a pub crawl, chantey sings, pirate ship cruises, and plenty of grub and grog. Rock Hall, Md. Call for specific events and times. 410-935-3491; www.rockhallpirates.com.

Cambridge Second Saturday
Visit Cambridge, Md., for gallery events, late shopping hours, special dining deals and live entertainment. Cambridge, Md. 5-9 p.m. 443-477-0843; www.cambridgemainstreet.com.

Seafood Feast-I-Val
This all-you-can-eat extravaganza includes crabs, fried fish, crab soup, and fried clams, plus plenty of fun activities like live music, a car show and crafts vendors. Sailwinds Park, Cambridge, Md. 1-6 p.m. 410-228-1211; www.seafoodfeastival.com.

10-11; 24-25 
Log Canoe Races
The Bay's log canoe fleet will race twice in August-during the Tred Avon Yacht Club's Annual Regatta and Myers Heritage Regatta. Both at the Tred Avon Yacht Club, Oxford, Md. Sat. 10 a.m. and 2 p.m.; Sun. 10 a.m. 410-226-5629; www.blogcanoe.com.

Watermen's Appreciation Day
Celebrate the Bay's watermen with a "Watermen's Rodeo" docking contest, an all-you-can eat crab feast, live music, displays, a silent auction, kids rowing contest and more. Chesapeake Bay Maritime Museum, St. Michaels, Md. 10 a.m.-5 p.m., docking contest at 11 a.m. 410-745-2916; www.cbmm.org.

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Waterfront Wine Tasting
Enjoy a great view of Middle River while enjoying a glass or two of refreshing summer wines. Docking available. Conrad's Ruth Villa, Middle River, Md. 6:30-8:30 p.m. 410-335-4468; www.conradsruthvilla.com.

Tangier Island Homecoming Festival
Head to Tangier Island for two evenings of fun, food, music and dancing, helicopter tours of the island, carnival rides and more. Tangier, Va. 6 p.m.-midnight. 757-891-2438; www.tangierisland-va.com.

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Thomas Point Lighthouse Tours
Enjoy a boat ride and a tour of Thomas Point Lighthouse. Space is limited, so book early. Tour departs from Annapolis Maritime Museum, Annapolis. 9 and 11:30 a.m. 415-362-7255; www.uslhs.org.

Bluegrass Festival
Point Lookout Marina's annual bluegrass music party boasts an afternoon of live bluegrass music and all-you-can-eat-and-drink. Point Lookout Marina, Scotland, Md. 3-7 p.m. 301-872-5000; www.pointlookoutmarina.com.

Navy Way Boot Camp
At this Naval Academy boot camp, children ages 6 to 12 can experience life as a Midshipman, learning Navy terms and how to march, chant and follow orders. Preregistration required. U.S. Naval Academy, Annapolis. 10 a.m.-noon. 410-293-8111; www.navyonline.com.

Chesapeake Crab and Beer Festival
Get in on this all-you-can-eat festival with crabs, corn on the cob and more, plus over 50 beers and wines available to sample. National Harbor, National Harbor, Md. 11 a.m.-3 p.m. or 5-9 p.m.; www.mdcrabfest.com. 

Sailing Saturday
Get out on the water with the Chesapeake Bay Maritime Museum's boatbuilders. Visitors will have access to melonseeds, rowing skiffs, sailing bateaus and more. Instruction for beginners will be available. Chesapeake Bay Maritime Museum, St. Michaels, Md. 10 a.m., noon and 1 p.m. 410-745-2916; www.cbmm.org.

Leukemia Cup Junior Regatta
D.C. area junior sailors will raise money for leukemia research during this annual regatta, which is followed by a picnic lunch and awards. Washington Sailing Marina, Alexandria, Va. Racing 8 a.m.-noon, party and awards to follow. 703-399-2930; www.leukemiacup.org/nca.

12-Ounce Regatta
This 10th annual "regatta," hosted by the Chesapeake Outdoor Group, is made up of model beer-can boats (kids have a root beer class), plus a fun party with live music and food. Eastport Democratic Club, Annapolis. 10 a.m.-7 p.m. www.chesapeakeoutdoor.org.

Cape Charles Cup
In this 10th annual "destination regatta," cruisers and racers alike will race from Little Creek in Norfolk to Cape Charles on Saturday, then to Fort Monroe on Sunday. While in Cape Charles, there will be plenty of post-race fun with a huge party, food, drink, live music and entertainment. For entry forms and schedules, visit www.broadbaysailing.org.

Cruise for Kids
Volunteer captains will take seriously ill kids and their families out for a day on the water Bay Boat Works, Northeast, Md. Register to be a captain yourself or for your family in need at 717-514-6278; www.captainssharingandcaring.org.

Junior Sailors Safety at Sea
The Storm Trysail Club presents this day of water safety instruction for junior sailors that will include an introduction to big boat racing, man-overboard procedures, on-the-water practice, life raft demonstration and more. Annapolis Yacht Club, Annapolis. www.stormtrysailfoundation.org. 

Celebrate the Severn
This gala fundraiser aboard the 95-foot luxury yacht, Catherine Marie will feature music and dancing and a cruise up the river. Annapolis. 6:30-9:30 p.m. 410-849-5840; www.severnriverkeeper.org.

Rock the Bay Poker Run
Register early for this high-speed poker run, as it is limited to 85 boats and fills up fast! The weekend full of high-octane events also features lots of cash prizes, a welcome party, meals and a huge finale party. Headquarters at the Nauti-Goose Saloon, North East, Md. Sat. poker run starts at 10:30 a.m. 610-529-9670; www.rockthebay.com.  

Leukemia Cup Poker Run
Start your engines and visit stops along the upper Potomac in this annual fundraising poker run. The event will start and end at the Old Dominion Boat Club in Alexandria. Register online at www.leukemiacup.org/nca.

Seawall Art Show
This juried art show will feature the works of nearly 100 artists, plus crafts vendors, live music and more. Portsmouth Va., waterfront. Sat. 10 a.m.-6 p.m.; Sun. 10 a.m.-5 p.m. 757-393-8983; www.seawallartshow.org. 

25 C.R.A.B.
Benefit Regatta
The Boatyard Bar & Grill hosts this annual pursuit regatta to benefit Chesapeake Region Accessible Boating (C.R.A.B.). Afterward, there will be a benefit party open to the public. Race at 11 a.m.; party to follow at the Eastport Yacht Club, 5-8 p.m., Annapolis. 410-626-0273; www.eastportyc.org.