Anytime Fitness Boon Keng is a 24-hour gym at 294A Lavender Street in Kallang, and the one open all day and night in a stretch of Lavender Street with many specialist studios. Membership includes a free, no-pressure fitness consultation, and the club says its staff will help members at whatever level of support they need. One membership gives access to more than 110 gyms in Singapore and about 5,000 worldwide. The club offers a student and senior rate of $98 a month as at 2026, for students and members aged 55 and over. Registration outside staffed hours is by appointment only, so the club asks people to book ahead for those times. Health insurance reimbursements and wellness programmes are also available. The nearest rivals are Big Brothers, CrossFit Enduro, The Pilates Works Collective and The Forge, which is a barbell club. Our pick in Kallang for a round-the-clock base with a free consultation at the start.