Sept. 11-13: Norfolk, Va., in-the-water boat show at Waterside Marina. Call (215) 449-9910.
Sept. 24-27: Sunfest Boat Show at Shantytown Village in West Ocean City. Show opens daily at noon. No admission. More than 100 boats on display. Call (410) 213-1121.
Sept. 24-27: Penn's Landing in-the-water boat show, Penn's Landing Boat Basin in Philadelphia. Call (215) 449-9910.
Oct. 9-12: U.S. Sailboat Show at the city docks in Annapolis.
Oct. 16-18: U.S. Powerboat Show at the city docks in Annapolis.
Oct. 31-Nov. 1: Chesapeake Appreciation Days at Sandy Point State Park near Annapolis, 9 a.m. to 5 p.m. Appreciation days are a celebration of the bay and its working watermen, recreational opportunities and environmental value.
Sept. 3: 34th Annual White Marlin Tournament at the Ocean City Marlin Club. Call (410) 289-6363 on Mondays and Thursdays between 9 a.m. and 3 p.m.
Sept. 11-20: First Fall Flounder Tournament at the Hotel Wachapreague and Island House Restaurant. Cash prizes; entry fee required. Call (804) 787-2105.
Sept. 3: Registration for Maryland hunter education course at Baltimore County Game and Fish, 4300 Northwind Road, 4-7:30 p.m. Classes to be held Sept. 9, 10, 16, 17 from 7 to 9:30 p.m., and Sept. 19 from 8 a.m. to noon. Call (410) 557-7140.
Sept. 5: Southern Maryland Wildlife Festival Five-Stand Sporting Clays Fun Shoot at the Naval Surface Warfare Center Skeet Range in Indian Head, 8 a.m. to 5 p.m. Proceeds to benefit Maryland Quail Unlimited and the Ruffed Grouse Society. Fees required and include lunch, refreshments and snacks.
Sept. 9, 11, 13: Advanced bowhunting course sponsored by the Natural Resources Police at Howard County Fairgrounds. Fee and preregistration required. Call Philip Krista at (410) 461-3007.
Sept. 12: Gen. George G. Meade Chapter of Ducks Unlimited auction, raffle and social, 6 p.m. at the Odenton Volunteer Fire Hall on Route 175 in Anne Arundel County. Admission is $35 ($20 membership in DU and $15 dinner fee). Call (301) 854-2742.
Sept. 19: Allegheny Mountain Chapter of the Ruffed Grouse Society sportsman's banquet at the Wisp Resort in McHenry. Cocktail reception, raffles, dinner. Call Bob Dettinburn at (301) 334-4545.
Sept. 19: Muzzleloaders' seminar sponsored by the Natural Resources Police at Howard County Fairgrounds, 9 a.m. Fee and preregistration required. Call Philip Krista at (410) 461-3007.
Through Aug. 31: Chesapeake Bay nature cruises to teach about the Chesapeake Bay ecology, waterlife and watermen. Three- or six-hour cruises daily out of St. Michaels. Reservations required. Call (800) 344-3255.
Sept. 5-7: Mid-Atlantic Mini Multihull Race Weekend for boats with waterlines of 25 to 31 feet. Five races overall on Round Bay, Severn River. Call (301) 672-1607.
Sept. 8: Prep course for U.S. Coast Guard license exam for inland (six nights) or ocean (seven nights) operators, 6-11 p.m. Call (410) 825-5710.
Sept. 14: Coast Guard Auxiliary (Flotilla 11) course on boating skills and seamanship at the Marco Club in Middle River. Classes begin at 7:30 p.m. Call (410) 686-8516 (nights).
Sept. 15: Registration for Coast Guard Auxiliary (Flotilla 17) boating course at Pikesville High School, 7621 Labyrinth Road, 7:15 p.m. Classes begin Sept. 21.
Sept. 21: Opening of several boating classes offered by Flotilla 1303, U.S. Coast Guard Auxiliary, 7:30 p.m. at Parkville High School, 2600 Putty Hill Ave.
Oct. 29-Nov. 6: J-24 World Championship regatta hosted by the Severn Sailing Association and the Eastport Yacht Club in Annapolis.
Wednesday: Mountain Club of Maryland outing at Quiet Waters Park in Annapolis.
Saturday: Mountain Club of Maryland hike at Greenbrier State Park in Allegany County. Call (410) 377-5625.
Sept. 2: Mountain Club of Maryland hike through Carroll County countryside. Call (410) 367-2230.