The 14th annual Bath'stille Day Dog Wash and Vendor Fair is from 10 a.m. to 3 p.m. at the Costa Mesa Bark Park, 890 Arlington Ave. All dogs are $20. For more information, call (949) 733-4101 or visit http://www.cmbarkpark.org.
A free eWaste recycling drop-off center will be open from 9 a.m. to 2 p.m. at the Boys & Girls Club clubhouse parking lot, 2131 Tustin Ave., Costa Mesa. For items accepted, visit http://www.ewastelb.com or call (714) 745-2802.
Lemondrop Dance Club
Newport Beach-based Lemon Drop Club, which hosts singles parties in Orange County geared for adults around the age of 40 and older, will have its next singles party from 7 to midnight at Oliver Café, 1800 Main St., Irvine. A free Italian buffet will be served from 8 to 9:30 p.m. and a free dance lesson will be offered from 7 to 8 p.m. Tickets are $20 and parking is free. No membership is required. For more information, call (949) 378-6600 or visit http://www.lemondropclub.com.