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4245 DUNCAN AVENUE, 63110 St Louis

4245 DUNCAN AVENUE, 63110 St Louis
At Aloft St. Louis Cortex, we are different by design. Aloft has fresh and vibrant spaces designed bring people together. Aloft Hotels is open in space and spirit. Fresh, purposeful environments and vibrant spaces that bring people together. We are the next generation of hotel, using technology and design to enhance experiences and move at the pace of our guests. Wake up to our ReFuel; cooked to serve breakfast portable breakfast pots and wraps to start the morning off right before exploring popular attractions, including Gateway Arch, Busch Stadium, Botanical Gardens, Anheuser-Busch Brewery, St. Louis Zoo, Science Center, St. Louis University, Washington University, A.T. Still University; all within a 5 mile radius, and conveniently located within walking distance of Cortex Innovation Community, Barnes Jewish Hospital, and University of Health Sciences & Pharmacy. Our pet-friendly guest rooms are open in space and spirit. Connect to free high-speed Wi-Fi or mix and mingle, and sip on crafted signature cocktails at the WXYZ Bar. Whether traveling for business or leisure; discover a perfect destination in Aloft St. Louis Cortex.
The hotel has undergone a self-inspection regarding its enhanced protective measures.
Earliest check-in
03:00 PM
Latest check-out
12:00 PM
This hotel measures and reports its environmental footprint - including carbon, water and waste through the HRS Green Stay assessment based on the Sustainable Hospitality Alliance's HCMI and HWMI methodologies. The grades below reflect the hotel’s performance per occupied room night, measured against Green Stay’s thresholds for its regions.
The Green Stay indicator reflects reported data from hotels; it is not an environmental certification.
Carbon dioxide
B
23 kg CO2 / night
Water
B
470 liter / night
Waste
D
1.6 kg / night
Figures reflect data reported by the hotel for 2025.
Calculations include Scope 1, 2 and Partial Scope 3. They exclude upstream supply chain (Scope 3.2-3.14) and are not a full life cycle assessment (LCA). HRS performs plausibility and anomaly checks and does not independently verify or audit sustainability data provided by the hotels.
Sustainability Programs
Serve 7778