
Hyatt Regency Boston
Best for downtown theater access, large meetings, and a guaranteed indoor saline lap pool.
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Hyatt Regency Boston is a large downtown convention hotel near the Theater District and Chinatown; read this if you want easy access to theaters, major meeting space, and an indoor lap pool. Hotel Commonwealth is a 4.5‑star boutique-style hotel near Kenmore Square and Fenway Park; read this if you want a higher-end neighborhood stay close to Fenway and Back Bay.
Updated · about 1.2 km apart

Best for downtown theater access, large meetings, and a guaranteed indoor saline lap pool.

Best for guests who want a boutique-feel stay steps from Fenway Park, Kenmore Square and Back Bay streets.
Hyatt Regency Boston wins when you need large, flexible meeting and event spaces, direct access to the MBTA and Macy’s, or a reliable on-site heated indoor lap pool and 24-hour fitness center.
Hotel Commonwealth wins when your priority is a 4.5-star neighborhood experience near Fenway Park, Kenmore Square and Newbury Street, with individually decorated rooms and nearby nightlife/venues.
Bottom line: pick Hyatt Regency for downtown convention / theater-focused trips and predictable on-site facilities; pick Hotel Commonwealth for a boutique Back Bay/Fenway base and a slightly more intimate, neighborhood experience.
| Category | Hyatt Regency Boston | Hotel Commonwealth |
|---|---|---|
| Overall vibe | Large downtown convention hotel with business and theater focus | 4.5‑star boutique-style hotel with a neighborhood feel |
| Location | Theater District / Chinatown, direct access to Macy's and the MBTA | Fenway–Kenmore, steps from Kenmore Square and Fenway Park |
| Size | 502 rooms (including 19 suites) across 22 floors | 245 individually decorated guestrooms |
| Built / last renovation | Built 1985; renovated 2015 | Not published |
| Pools | Indoor heated saline lap pool (sixth floor) with sun terrace | Not published |
| Restaurants & bars | Avenue One Restaurant & Lounge, Avenue One Express, Lobby Bar | 2 restaurants including Blue Ribbon Sushi and a bar/lounge (room service limited hours) |
| Spa / wellness | No full on-site spa; local spa partner perks (Equinox, Exhale), 24-hour StayFit gym | 24-hour fitness facilities listed; full spa on-property not published |
| Known for | Extensive meeting/event space (30,000+ sq ft) and downtown access | Proximity to Fenway Park, individually decorated rooms, neighborhood restaurants |
| Parking & transport | Paid valet and self-parking, EV charging station, 0.4 mi to South Station | Valet parking (surcharge) and easy access to Kenmore/Boston University area |
| Pet policy | Pet-friendly (Pets Can Stay), fees apply | Pet fee listed (USD 150 per accommodation, per stay); service animals exempt |
Hyatt Regency Boston sits in the Theater District/Chinatown with direct indoor access to Macy’s and the MBTA.
Choose Hyatt if you want immediate downtown/theater access and transit connections.
Hotel Commonwealth is located in Fenway–Kenmore, a short walk to Fenway Park and Commonwealth Avenue.
Choose Hotel Commonwealth for easy access to Fenway events and Back Bay shopping.
Hyatt Regency Boston offers a broad room mix with suites aimed at business and group travelers.
Hyatt is suited to travelers who want many room types and in-house suite options for meetings or upgrades.
Hotel Commonwealth lists 245 individually decorated guestrooms with a boutique feel.
Hotel Commonwealth is a good choice if you prefer individually styled rooms in a smaller hotel.
Hyatt Regency Boston provides full-service on-site dining focused on New England American cuisine and a lobby bar.
Hyatt keeps most dining needs on-property, convenient for groups and late theater nights.
Hotel Commonwealth has two on-site restaurants, including Blue Ribbon Sushi, plus a bar/lounge.
Hotel Commonwealth blends notable in-house dining with immediate neighborhood restaurant choices.
Hyatt Regency Boston features a sixth-floor heated saline lap pool inside the fitness center.
Hyatt provides a reliable on-site indoor pool and a full fitness area useful year-round.
Hotel Commonwealth’s supplier listing highlights a 24-hour fitness facility and neighborhood recreation options.
Hotel Commonwealth focuses on a fitness offering and its walkable neighborhood rather than a published on-site pool.
Hyatt pairs a 24-hour StayFit gym and local partner spa perks with easy access to downtown nightlife.
Hyatt suits guests who want a full gym and downtown evening options, with spa services via partners.
Hotel Commonwealth offers a 24-hour fitness facility and immediate access to Fenway nightlife and bars.
Hotel Commonwealth is a better base for guests focused on Fenway nightlife and neighborhood evening walks.

Hyatt Regency Boston — over 30,000 sq ft of meeting space and multiple ballrooms for conferences and weddings.

Hotel Commonwealth — steps from Fenway Park, Kenmore Square and Back Bay streets.

Hyatt Regency Boston — heated saline lap pool on the sixth floor with an adjoining sun terrace.

Hotel Commonwealth — individually decorated guestrooms and a smaller, neighborhood hotel scale.
Hotel Commonwealth — it’s roughly 0.4 mi (0.6 km) from Fenway Park and aimed at Fenway/Kenmore visitors.
Hyatt Regency Boston — it operates a heated indoor saline lap pool open daily from 6:00 AM to 10:00 PM.
Hyatt Regency Boston — located in the Theater District with direct indoor access to Macy’s and the MBTA.
Yes; both list pet fees and service-animal exemptions in their published policies.
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