Grand Slam Tennis Camp is accepting applications for its summer programs. The camp features programs for adults and kids. Sessions are available for ages 4 and over. Visit www.grandslamtennis.net to register.

Lighthouse Lacrosse will hold tryouts for its summer club teams from 4:30 to 6 p.m. Sunday in Epping, N.H. Coaching staffs will include high school and college coaches, as well as current and former All-America collegiate and high school players. Teams will receive at least 30 practice hours and play in at least three New England regional tournaments. For more information, visit www.lighthouselax.org.

American Legion Post 188 will hold baseball tryouts from 9 a.m. to noon May 27 at Marshwood High School. Players who attend Marshwood High, Berwick Academy or Traip Academy, or who live in the towns served by those schools, are eligible to play for Post 188. New players must bring an original birth certificate. For more information, call Shawn Gillis at 475-6007.