Underground Fitness

Overview

• Facility type: Underground Fitness is a large, private 24-hour fitness club (noted as Connecticut’s largest 24-hour gym) offering full-service gym facilities, group fitness classes, personal training and on-site tanning.
• Overall atmosphere and experience: The club markets itself as a private alternative to the big-box gym chains, combining state-of-the-art cardio and strength equipment, frequent instructor-led classes, and 24/7 access. The tone emphasizes results-driven training, modern consoles/entertainment on cardio machines, and an energetic community with consistent cleanliness and friendly staff.

Features & Amenities

• 24-hour access with electronic key-card entry — open 24/7 including holidays.
• Large facility footprint: ~20,000 sq ft flagship location in Stamford, CT.
• State-of-the-art cardio & strength equipment (cardio machines with Intenza e2-like consoles that support Netflix, Hulu, internet access and smartphone compatibility).
• Group X fitness classes (yoga, Zumba, spinning, body pump, boot camp, body sculpt, boxing, Pilates, TRX, RIPPED, etc.).
• World-class personal trainers and structured personal training programs.
• On-site tanning salon with unlimited, 24-hour access to modern tanning beds.
• Free Wi‑Fi throughout the facility.
• Guaranteed class reservation for members — members are promised a spot in free classes held multiple times daily.
• Electronic gym pass granting member access.

Services

• Personal training — one-on-one coaching and result-focused programs.
• Group fitness classes — multiple daily sessions across many modalities; included with membership.
• 24/7 tanning salon access — on-site tanning as a membership benefit.
• Membership enrollment & reservations — onboarding and ability to reserve membership and training through contact links on the site.
• Free member amenities — classes, tanning and Wi-Fi are promoted as member perks.

Pricing

• No specific pricing or membership fee schedule is published in the provided content.
• The site emphasizes affordable prices and the goal of offering luxury-style amenities at lower cost, but exact rates (monthly dues, sign-up fees, class add-ons or PT pricing) are not shown.

Location & Hours

• Address: Underground Fitness, 473 Hope St, Stamford, CT 06906.
• Hours: Open 24 hours a day, 7 days a week, and on holidays.
• Contact: Phone (203) 569-3640 and email undergroundfitct@aol.com. Membership signup and contact links are available on the site.

Notes

• What makes this club different:
  • Marketed as the largest 24-hour gym in Connecticut with a private-club feel while offering perks commonly found at high-priced chains.
  • Guaranteed spots in free classes and true 24/7 access (key-card) provide convenience and reliability for varied schedules.
  • Focus on modern equipment with entertainment-enabled consoles (phone compatibility, streaming) to make cardio sessions more engaging.
  • Rated #1 gym in Fairfield County for 12 years in a row (promotional claim on the site) and emphasizes a results-driven training staff.

Quick takeaways

• Great option for someone seeking a comprehensive, always-open fitness facility with plentiful classes and training support.
• If you need pricing details, class schedules, or trainer rates, you’ll need to contact the club directly or use the membership signup links on their site.