Splash into Waves Indoor Waterpark on Sunday to Friday evenings for Niagara's best deal for waterpark FUN! Valid for 1 evening waterpark pass at Waves Indoor Waterpark. Pass access is available Sunday to Friday evenings from 4pm until close (excludes Saturdays). For General Admission passes valid days and weekends please click here. Waterpark access is subject to availability and blackout days may apply. On some days select Waves attractions may operate on a rotating basis. Prices shown in Canadian funds. No outside food or beverage permitted. Children under 1 year of age are FREE and do not require a ticket.