
1 Hotel Seattle
Best for travelers who prioritize sustainability-minded design, intimate dining, and a quieter South Lake Union base.
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1 Hotel Seattle is a nature-forward five-star in South Lake Union with 153 rooms and two on-site restaurants; it's a fit for travelers who want sustainable design, in-room wellness options, and Space Needle views. Grand Hyatt Seattle is a polished, large-scale downtown high-rise with broad meeting space and multiple dining outlets; read this if you want convention-ready facilities and central Pike Place Market access.
Updated · about 1.2 km apart

Best for travelers who prioritize sustainability-minded design, intimate dining, and a quieter South Lake Union base.

Best for conference groups or visitors who want big-hotel services, many meeting rooms, and a central downtown address near Pike Place Market.
When 1 Hotel Seattle wins: pick 1 Hotel if you want a smaller, nature-focused luxury stay with living greenery in rooms, curated in-room wellness options instead of a full spa, and two signature dining venues (La Loba and Drift).
When Grand Hyatt Seattle wins: choose Grand Hyatt for large events, abundant meeting and ballroom space, a high-rise downtown location steps from the convention center and retail, and a full-service hotel footprint with multiple restaurants and 24-hour fitness facilities plus hot tub and sauna.
Bottom line: 1 Hotel Seattle is the boutique, sustainability-forward choice in South Lake Union; Grand Hyatt Seattle is the conventional downtown option for meetings, larger room inventory, and city-center convenience.
| Category | 1 Hotel Seattle | Grand Hyatt Seattle |
|---|---|---|
| Overall vibe | Nature-forward boutique, living greenery and in-room wellness focus | Upscale, polished high-rise with business and conference orientation |
| Location | South Lake Union near Amazon and Space Needle | Central downtown, steps from the Seattle Convention Center and Pike Place Market |
| Size | 153 rooms | 457 guestrooms |
| Check-in / Check-out | Check-in 4:00 PM · Check-out 11:00 AM | Check-in begins 4:00 PM · Check-out 12:00 PM |
| Pools & water facilities | No pool on-site | No pool published; on-site hot tub and sauna are listed |
| Restaurants & bars | La Loba (Spanish/Catalan) + Drift café & bar; in-room dining available | Multiple outlets (4 restaurants listed) and a bar/lounge; 24-hour room service advertised |
| Wellness & fitness | 24-hour fitness center (The Field House); in-room wellness kits and infrared sauna blanket rentals; no traditional spa | 24-hour fitness center; sauna and hot tub on-site; full spa services not published |
| Known for | Sustainability-minded design, living plants, Space Needle views | Convention-center proximity, downtown shopping access, large meeting capacity |
| Event & meeting space | Over 4,000 sq ft of flexible indoor/outdoor event space (Rainier Ballroom, La Loba options, terrace) | About 25,005 sq ft of conference/banquet space and at least one large ballroom/meeting center |
| Parking & transport | Valet parking only; partner shuttle (Evergreen) for airport transfers; no self-park | Valet parking (surcharge); property notes no accessible shuttle; easily reached by rideshare and close to transit |
1 Hotel Seattle sits in South Lake Union, close to Amazon’s campus and within a walk to the Space Needle and many attractions.
Choose 1 Hotel if you want a quieter neighborhood near tech campuses with easy pedestrian access to key sights.
Grand Hyatt Seattle is in downtown Seattle, steps from the Seattle Convention Center, retail and Pike Place Market.
Pick Grand Hyatt if you want the convenience of downtown walking access and proximity to convention facilities.
1 Hotel Seattle offers 153 rooms and suites with living plants, Bamford bath products, and in-room wellness items.
If you value curated in-room wellness and smaller, design-focused rooms, 1 Hotel is set up for that.
Grand Hyatt lists a large variety of room types across many categories in a 457-room high-rise format.
Grand Hyatt suits travelers who want a broad range of room categories and high-rise city views.
1 Hotel Seattle keeps dining focused: La Loba (Spanish/Catalan) and Drift (café & cocktail bar) plus in-room dining.
If you prefer fewer, chef-led venues and a sustainability-minded restaurant approach, 1 Hotel's dining is compact and curated.
Grand Hyatt Seattle lists four restaurants, a coffee shop/café and a bar/lounge, with 24-hour room service.
Grand Hyatt is better when you want multiple on-site dining choices and late-night room service.
1 Hotel Seattle does not have an on-site swimming pool.
Not a fit if an on-site pool is a must-have.
Grand Hyatt’s published listing does not show an on-site pool but lists a hot tub and sauna.
Grand Hyatt offers traditional large-hotel facilities (hot tub, sauna) and a bigger meeting footprint rather than a resort-style pool scene.
1 Hotel focuses on wellness through fitness programming and in-room amenities rather than a full-service spa.
Choose 1 Hotel for boutique wellness features, fitness classes and relaxed lobby bar hours.
Grand Hyatt has 24-hour fitness, sauna and hot tub; nightlife offerings are the bar/lounge and on-site restaurants.
Grand Hyatt is better for guests who want round-the-clock fitness and conveniences that support conference and group travel.

1 Hotel Seattle — curated rooms with living plants, Bamford amenities, and in-room wellness rentals.

Grand Hyatt Seattle — substantially larger meeting and conference footprint adjacent to the convention center.

Grand Hyatt Seattle — multiple restaurants, a coffee shop, bar/lounge and 24-hour room service.

1 Hotel Seattle — South Lake Union location with a calmer, design-forward atmosphere near parks and the Space Needle.
Grand Hyatt Seattle — its downtown location and large conference/banquet space make it the more convenient choice for conventions.
Neither property publishes an on-site swimming pool. 1 Hotel does not have a traditional spa but offers in-room wellness items; Grand Hyatt lists a hot tub and sauna but full spa services are not published.
Both hotels welcome families. 1 Hotel requires the primary booking guest to be 21+, but children of all ages are allowed in rooms; Grand Hyatt’s supplier listing notes children 17 and under stay free with existing bedding.
Grand Hyatt has more on-site dining outlets and 24-hour room service; 1 Hotel focuses on two signature venues (La Loba and Drift).
Explore how 1 Hotel Seattle stacks up against other hotels nearby:
vs. sites like Expedia, Hotels.com and other OTAs ·