35th Annual Spring Sidewalk Sales: Shop along the sidewalk for deals on merchandise. 10 a.m.-9 p.m. May 18-20. Rehoboth and Dewey Beach Resort Area, Downtown Rehoboth Beach. 302-227-6446 or beach-fun.com.
Horseshoe Crab and Shorebird Festival: Eco-friendly festival focusing on wildlife and the environment. 10 a.m.-4 p.m. May 24-26. Prime Hook National Wildlife Refuge, 11978 Turkle Pond Road. Free. historicmilton.com.
Sixth Annual Rehoboth Beach VegFest: Explore healthy living through cooking demonstrations, food tastings and more. 11 a.m. June 9. Epworth United Methodist Church, 19285 Holland Glade Road, Rehoboth Beach. Free. 302-604-4316 or vegrehoboth.org.
Lewes Garden Tour: Take a tour of your choice of eight private gardens and visit a Garden Market where more than 30 vendors are located. 10 a.m -4 p.m. June 16. Zwaanendael Park, 102 Kings Highway. $20-$25. 302-645-8703.
22nd Annual Running of the Bull: Runners gather in traditional white clothing and red bandanas in this simulation of the iconic event in Pamplona, Spain. 2 p.m. June 23. The Starboard, Dewey Beach. therunningofthebull.com.
Mid-Atlantic Sea Glass and Coastal Arts Festival: Ninth annual event featuring nearly 70 sea glass artists, decoy carvers and waterfowl artists. 9 a.m. June 23-24. Cape May Lewes Ferry Terminal, 43 Cape Henlopen Drive. $5. 302-645-7670 or historiclewes.org.
Saint Peter’s Episcopal Church Annual Art Show: Ceramics, fiber, glass, metal, paintings, photography and wood fill the streets surrounding the historic church and the M&T Bank parking lot. Event also features a bake sale, lunch, organ recital and raffle. 8 a.m.-5 p.m. July 7. 211 Mulberry St., Lewes. 302-645-8479 or stpeterslewes.org.
69th Annual Cottage Tour of Art: The Rehoboth Art League will hold the annual two-day self-paced tour featuring landscapes, interior and architectural designs. 10 a.m.-3 p.m. July 10-11. $35. 302-227-8408 or rehobothartleague.org.
Nanticoke Riverfest: Join for “Tiki Time on the Nanticoke” featuring headline entertainment from “The Funsters.” 9 a.m. July 14. High Street, Seaford. 302-629-9173 or nanticokeriverfest.com
13th Annual Wine Tasting and Art Auction: Auction to benefit KINfolk, a program that provides computers to pediatric hospitals and to children recovering at home. 5:30 p.m.-7:30 p.m. July 18. University of Delaware, 700 Pilottown Road, Lewes. $30. 302-645-6971 or beach-fun.com.
10th Annual Seafood and Arts Festival: Features art and craft vendors, food, music and Lollypop the Clown. 10 a.m.-5 p.m. July 21. Indian River Marina, Delware Seashore State Park, 39415 Inlet Road, Rehoboth Beach. Free. 302-227-2233 or beach-fun.com.
45th Annual Outdoor Fine Art and Fine Craft Show: Over 125 artists and artisans will display and sell their fine art and crafts on the campus of Henlopen Acres. Event features activities, face-painting, food, historic tours, music and more. 10 a.m. Aug. 4-5, 11-12. Rehoboth Art League, 12 Dodds Lane, Rehoboth Beach. 302-227-8408 or rehobothartleague.org.
Summer Vibes Fest: Join a multi-day event celebrating Delaware beach culture through art, music, skateboarding, skimboarding and stand-up paddle. 9 a.m. Aug. 10-18. New Orleans Street and Dewey Beach. 301-227-7087 or beach-fun.com.
Sandcastle and Sculpture Contest: Rehoboth Beach-Dewey Beach Chamber of Commerce hosts the 40th annual contest where teams show their creativity in the sand. Past creations include dolphins, funland rides, Olympic athletes, pyramids and sea creatures. 10 a.m.-5 p.m. Sept. 8. Rehoboth Beach, Delaware and Laurel avenues. Free. 302-227-2233 or beach-fun.com.
18th Annual Riverwalk “Freedom” Festival: Milford’s largest outdoor festival features a boat parade, car show, food, a petting zoo, pony rides and more. 9 a.m. Sept. 8. Downtown Milford. 302-422-3344 or milfordchamber.com.
40th Annual Bethany Beach Boardwalk Festival: This one-day event features basketry, glass, jewelry, oil painting, photography, pottery, woodworking and more. 10 a.m.-5 p.m. Sept. 8. Downtown Bethany Beach. 302-239-2100 or bethanybeachartsfestival.com.
22nd Annual Dewey Beach Sprint Triathlon: Three-course event to help improve the lives of those in the community. 8 a.m. Sept. 15. Delaware Seashore State Park, Tower Road, Rehoboth Beach. $90-$160. deweybeachtriathlon.com.
Rehoboth Beach Bandstand’s 55th Annual Summer Concert Series: Local and national artists perform all summer long during the annual concert series. Performers include Desert Highway, Love Seed Mama Jump, Mike Hines and The Look, U.S. Navy Country Current and more. May 26-Sept. 1. 1 Rehoboth Ave., Rehoboth Beach. Free. 302-644-2288 or rehobothbandstand.com.
Bethany Summer Concert Series: Enjoy an extensive lineup of performers all summer long. June 8-Sept. 2. Garfield Parkway, Bethany Beach. 302-539-5484 or townofbethanybeach.com.
Movies on the Beach: Enjoy a family-friendly film on the beach. List includes “Despicable Me 3,” “Over the Hedge,” “Sing” and more. May 25-Sept. 28. 214 Garfield Pkwy., Bethany Beach. 302-539-8011 or townofbethanybeach.com.