Bubble Bath Back Bay: rooftop bar guide and how to plan your visit
Bubble Bath Back Bay is the 15th‑floor rooftop champagne, wine and cocktail bar at citizenM Boston Back Bay (408 Newbury Street). It is a 21+ venue that recommends reservations, follows a Smart Casual dress code, and is open evenings with late hours on Fridays and Saturdays.
In this guide
Getting there, hours, and who can go
Bubble Bath Back Bay sits on the 15th floor of citizenM Boston Back Bay at 408 Newbury Street. The hotel entrance and lobby are street‑level; ask front‑desk ambassadors if you need directions to the rooftop elevator.
The bar’s published hours are 4:00 PM–11:00 PM Monday–Thursday and Sunday, and 4:00 PM–1:00 AM on Friday and Saturday. The kitchen serves food somewhat shorter hours (see table below).
Bubble Bath Back Bay is restricted to guests age 21 and over. Be prepared to show a valid physical photo ID at arrival.
- Address: 408 Newbury Street, Boston, MA 02115
- Bar hours: Mon–Thu & Sun 4:00 PM–11:00 PM; Fri–Sat 4:00 PM–1:00 AM
- Age policy: 21+ only; physical photo ID required
| Service | Hours (published) |
|---|---|
| Bar (beverages) | Mon–Thu & Sun 4:00 PM–11:00 PM; Fri–Sat 4:00 PM–1:00 AM |
| Kitchen (food service) | Sun–Thu 4:00 PM–10:00 PM; Fri–Sat 4:00 PM–11:00 PM |
Reservations, no‑show policy, and group visits
Reservations are recommended. The venue allows a 15‑minute grace period after the booked time; a no‑show fee may apply if you miss that window.
If you are planning to visit with a group larger than eight people, the rooftop asks that you call ahead rather than booking online.
- 15‑minute grace period after reservation time
- A per‑person no‑show fee is possible (published sources list a $20 per person fee if the grace period is exceeded)
- Groups over 8 should call the venue (phone listed by operator) to arrange seating
| Group size | How to reserve |
|---|---|
| 1–8 people | Reserve online or by phone |
| More than 8 | Call ahead to book (phone listed by the venue) |
Dress code, ID, and house rules
Bubble Bath Back Bay lists Smart Casual as its dress code. The venue enforces the 21+ rule and requires a valid physical photo ID at entry.
CitizenM’s general property rules apply (no parties such as bachelor/bachelorette events are accommodated on site). If you have questions about acceptable clothing or a specific booking, contact the hotel or the bar directly before your visit.
- Dress code: Smart Casual
- ID: Valid physical photo ID required for everyone aged 21+
- Policy: No bachelor/bachelorette parties or similar group events on property
| What to bring | Why |
|---|---|
| Physical photo ID | Proof of age for 21+ requirement |
| Reservation confirmation | Holds your table and avoids no‑show penalty |
| A credit/debit card | Used for incidentals or no‑show charges if applicable |
What to expect from the menu and ordering
Bubble Bath Back Bay is a champagne- and wine‑focused bar with a full cocktail program; the menu includes curated small plates, shareable bites and caviar. The bar is beverage-forward rather than a full restaurant.
Kitchen hours end earlier than bar hours: the kitchen is scheduled to close before the late‑night bar closing on some evenings, so if you plan to eat, arrive while the kitchen is open.
- Beverage focus: champagne, wine, craft cocktails
- Food: curated bites, shareables, and caviar (available while kitchen is open)
- Tip: order food earlier if you plan to dine — kitchen closes before bar on some nights
| Item type | Typical availability |
|---|---|
| Cocktails & wine | Available during all bar hours |
| Caviar & shareables | Available while the kitchen is open |
| Late‑night drinks | Bar remains open later on Fri–Sat after kitchen closes |
Best times for views, crowds, and photos
Sunset through early evening is the best time to catch skyline and Charles River views from the rooftop patio; Fridays and Saturdays are the busiest nights and stay open later. If you prefer a quieter visit, choose a weekday early evening (Monday–Thursday).
Expect a livelier atmosphere on weekends with more crowding and possible wait times for window seats or patio tables. Reservations help secure a place during peak times.
- Sunset–early evening: best for views and photos
- Fri–Sat late hours: most energetic and busiest
- Mon–Thu & Sun: typically calmer with earlier closing time
| When | What to expect |
|---|---|
| Weekday early evening (Mon–Thu) | Quieter, easier seating |
| Weekend (Fri–Sat) night | Crowded, later hours, lively scene |
| Sunday | Moderate, closes earlier than weekend nights |
Getting to the bar from your room and other logistics
Guest rooms at citizenM Boston Back Bay include Room, Room (High Floor), and Premium Room. To reach Bubble Bath Back Bay, take the hotel elevator to the 15th floor — front‑desk ambassadors can direct you if needed.
CitizenM does not provide on‑site parking and is highly walkable; if you’re visiting from outside the building, use nearby public transit (Hynes Convention Center Green Line stop is close) or arrange paid nearby parking through services such as SpotHero.
- Rooms: Room; Room (High Floor); Premium Room — use hotel elevators to reach the rooftop
- No on‑site parking; nearby paid parking recommended (SpotHero or public lots)
- Nearby transit: Hynes Convention Center Green Line stop; Back Bay/commuter rail within walking distance
| From | Typical travel time on foot |
|---|---|
| Hynes Convention Center Green Line stop | A few minutes’ walk to the hotel entrance |
| Newbury Street (nearby) | About 1 minute from the hotel |
| Back Bay/Prudential area | Within a short walk (several minutes) |
