Horseshoe Crab and Shorebird Festival. Come pay tribute to horseshoe crabs and migrating shorebirds native to the Delaware Bay during the 10th anniversary festival. Held in Historic Milton, the event includes arts and crafts, food, music, water activities, games for children and more. May 25. Milton Memorial Park. Call 302-684-1101.
Downtown Rehoboth Beach Restaurant Week. Dinner guests enjoy three-course meals at participating Rehoboth eateries. Runs June 2-8 in Rehoboth Beach. Dinner costs $20, $30. Some restaurants serving lunch for $10, $15. Call 302-227-2772.
Jolly Trolley History Tour. The Jolly Trolley provides the wheels and the Rehoboth Beach Museum adds the juice to this tour showcasing the history of Rehoboth Beach. June 13 and Aug.15 at 9 a.m. Tour starts at the Anna Hazzard House, 17 Christian St., Rehoboth. Tickets are $10.
Lewes Garden Tour. Take a self-guided tour through some of the most beautiful private gardens in historic Lewes, then browse among more than 40 vendors at a garden market in Zwaanendael Park. This year's tour includes The Children's Learning Garden, a new public garden. Free shuttle service available. June 15. 10 a.m. to 4 p.m. Tickets are $20 in advance and $25 the day of the tour. Call 302-645-8073.
Monday Night Movie on the Beach. Dewey Beach offers free movies each week on the beach at Dagsworthy Street, weather permitting. The Lorax will kick off the summer-long film fun. Movies start at 8:30 p.m. Mondays, June 17- Aug. 26.
Bonfires on the Beach. Weekly bonfires on Dewey Beach at Dewey Beach Life-Saving Station, Dagsworthy Street. Event held 7:30 p.m. to 11 p.m. Wednesdays, June 19-Aug. 28. Call 302-227-6446.
Diamond Celebration. Festival marks the founding of the Rehoboth Art League in 1938. Event starts at 4 p.m. and includes a boat parade and picnic. June 21. Call 302-227-8408.
Mid-Atlantic Sea Glass and Coastal Arts Festival. See works from more than 40 sea glass vendors, as well as decoy carvers and waterfowl artists. Festival starts 9 a.m. June 22-23 at Lewes Historical Society, 110 Shipcarpenter St., Lewes. Tickets are $5; good for both days. Call 302-645-7670.
Paddle Fenwick. Stand-up paddle board festival and races. June 30. 10 a.m. to 4 p.m. at Holts Landing State Park in Millville. Registration and pre-race events at Harpoon Hanna's in Fenwick island on June 29. Call 302-537-6500 ext. 4.
Downtown Rehoboth Beach July Fourth Fireworks. Main Street and Zambelli Internationale present the annual fireworks display along the beach and boardwalk in Rehoboth at 9:15 p.m. July 4. Call 302-227-2772.
Rehoboth Art League Cottage Tour. Tour cottages and gardens of Rehoboth Beach. Tour starts at 10 a.m. July 9-10. Tickets are $30. Call 302-227-8408.
Running of the Bulls. This annual beach tradition, sponsored by local nightlife spot The Starboard, continues the chase. July 13. For details, go to thestarboard.com.
35th Annual Sand Castle Contest. More than 100 teams show off their sand castle creations at 8:30 a.m. Aug. 3 at Fisherman's Beach at the north end of Rehoboth Beach Boardwalk. Call 800-227-2233.
Outdoor Fine Art and Fine Craft Show. More than 120 artists are showcased on the grounds of the Rehoboth Art League in this 40th annual gathering of fine art, food, entertainment and music. Event is Aug. 10-18 at the Rehoboth Art League, 12 Dodds Lane, Rehoboth Beach. Call 302-227-8408 or go to rehobothartleague.org.
Antique Show. During the 50th anniversary show, browse antiques from more than 50 dealers at 9 a.m. Aug. 3 at Lewes Historical Society, 110 Shipcarpenter St., Lewes. Tickets are $5; kids younger than 12 admitted free. Call 302-645-7670.
East Coast Skim Championships. Aug. 10-11 at Dewey Beach. For details, go to alleyoopskim.com. Call 302-227-7087.
Bethany Beach Boardwalk Arts Festival. More than 100 artists display their wares at the annual event, which also features live music and a silent auction at 10 a.m. Sept. 7 at Bethany Beach boardwalk. Free. Call 302-539-2100.
Dewey Beach Triathlon. Sept. 14 7:30 a.m. at Delaware Seashore State Park. Go to deweybeachtriathlon.com for registration and details.
Woodland Ferry Festival. The community festival, held along Woodland Church Road in Woodland, Del., returns this year after a three-year absence. The events pay tribute to the historic Woodland Ferry, which is listed on the National Register of Historic Places. Sept. 14 at 9 a.m.
For more information on events, go to visitsoutherndelaware.com.