
Marriott Marquis San Diego Marina
Best for conferences, convention attendees and travelers who want immediate downtown access to Petco Park, the Gaslamp Quarter and the San Diego Convention Center.
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Marriott Marquis San Diego Marina is a large downtown convention hotel on San Diego Bay that suits business travelers, groups and families who want immediate access to the Convention Center and the Gaslamp Quarter. Loews Coronado Bay Resort is a full-service Coronado bayfront resort best for guests seeking a resort-style escape on Coronado Island with pools, spa and bay views.
Updated · about 8.9 mi (14.3 km) apart

Best for conferences, convention attendees and travelers who want immediate downtown access to Petco Park, the Gaslamp Quarter and the San Diego Convention Center.

Best for a resort-style bayfront stay on Coronado with multiple pools, beach shuttle and more recreational programming for families and leisure travelers.
When Marriott Marquis San Diego Marina wins: choose the Marriott Marquis if you need large-capacity meeting space, immediate access to the San Diego Convention Center, or a downtown base close to the Gaslamp Quarter, Seaport Village and ferry links to Coronado.
When Loews Coronado Bay Resort wins: choose Loews if you want a quieter, resort-feel stay on Coronado with three outdoor pools, extensive recreational amenities and direct bayfront access plus a complimentary beach shuttle to the ocean.
Bottom line: both hotels overlook San Diego Bay but serve different priorities — Marriott Marquis is the downtown, group- and business-focused option, while Loews Coronado Bay Resort is the bayfront resort escape on Coronado Island.
| Category | Marriott Marquis San Diego Marina | Loews Coronado Bay Resort |
|---|---|---|
| Overall vibe | Busy downtown convention resort focused on meetings, groups and marina views. | Large bayfront Coronado resort with a relaxed resort program and recreational activities. |
| Location | On San Diego Bay beside the San Diego Convention Center; walkable to the Gaslamp Quarter and Seaport Village. | Bayfront on Coronado (Silver Strand), a short drive or ferry ride from downtown San Diego. |
| Size / rooms | About 1,366 guest rooms across two 25-floor towers. | 439 guestrooms. |
| Audience / ages | All ages — family-friendly and popular with business travelers and groups. | All ages — family-friendly resort with kids' amenities and babysitting available (surcharge). |
| Pools & water | Two heated free-form outdoor pools plus a separate children's pool and two whirlpools; pool cabanas for a surcharge. | Three outdoor pools, 2 hot tubs, children's pool, poolside bar and complimentary beach shuttle to Coronado Beach. |
| Restaurants & bars | Multiple venues including Marvela at the Marquis, Telltale bar, Agave Bar and Grill and an on-site Starbucks (plus M Club Lounge). | One main restaurant and a coffee shop/cafe plus 2 bars/lounges and a poolside bar. |
| Spa & wellness | The Hideaway by Exquisite Massage & Skincare – a boutique spa with 4 treatment rooms and a defined signature treatment ritual. | Full-service spa offering massages, body treatments and facials (onsite spa available). |
| Meetings & events | Extensive: roughly 271,000+ sq ft of meeting and event space, dozens of ballrooms and breakout rooms for large conferences. | Large on-site conference capability with about 65,003 sq ft of conference space and 18 meeting rooms. |
| Marina / beach access | Overlooks its own 446-slip marina on San Diego Bay (marina activities available). | Directly on Coronado Bay with bayfront waterfront; complimentary beach shuttle to Coronado Beach. |
| Parking & fees | On-site self- and valet parking (official site lists $11/hr and $60/day self; valet higher); mandatory destination fee with included benefits. | Self parking and valet available (subject to fees); Loews lists self parking and valet charges and a pet deposit/fee policy. |
Marriott Marquis sits directly on San Diego Bay beside the San Diego Convention Center, steps from downtown attractions.
Choose Marriott Marquis for immediate downtown access and easy connections to San Diego’s main business and entertainment hubs.
Loews Coronado Bay Resort is a bayfront resort on Coronado Island’s Silver Strand, separated from downtown by the channel.
Pick Loews Coronado Bay Resort when you want a resort stay on Coronado with easy beach and bay access away from downtown bustle.
Marriott Marquis has two 25-floor towers and a wide variety of room types, many with marina or bay views and balcony options.
Marriott Marquis offers the largest set of room types and tower locations for guests wanting marina or city views and club-level service.
Loews Coronado Bay Resort offers nearly 439 rooms and suites with a range of bay, marina, pool and partial-bay views.
Loews provides a resort-style room mix with many room views aimed at leisure travelers and families seeking waterfront rooms.
Marriott Marquis runs several on-site dining outlets that work for business meals, family dining and casual poolside service.
Marriott Marquis has more on-site dining variety and venues suited to both business and family dining needs.
Loews Coronado Bay Resort lists one main restaurant plus a coffee shop/café and two bars/lounges, with poolside service available.
Loews concentrates food-and-beverage into fewer venues, relying on resort-style service and the Coronado dining scene for variety.
Marriott Marquis offers a large downtown pool deck with family-friendly features and marina views.
Marriott’s pool area is a big downtown deck built to serve families and convention groups, but it’s not an ocean beach.
Loews Coronado Bay Resort is oriented around resort pools and bay/beach access for leisure stays.
Loews is the stronger choice for guests prioritizing multiple pools and easy access to Coronado Beach.
Marriott Marquis provides a boutique spa and a 24-hour fitness center with classes and specialized equipment.
Marriott combines a boutique spa with a thoroughly equipped gym and quick access to downtown nightlife.
Loews Coronado Bay Resort focuses on resort wellness and recreation alongside a full-service spa.
Loews is built around resort recreation and a full spa program rather than downtown nightlife.

Marriott Marquis — far larger and more flexible meeting and ballroom capacity adjacent to the Convention Center.

Loews — bayfront setting on Coronado with multiple pools, resort activities and a complimentary beach shuttle.

Loews — three pools, children’s pool and a broader resort recreation program geared to families.

Marriott Marquis — walkable to the Gaslamp Quarter, Seaport Village, ferry piers and downtown attractions.
Marriott Marquis is adjacent to the Convention Center and within walking distance of the Gaslamp Quarter, Seaport Village and Petco Park; Loews is on Coronado and requires a drive or ferry to reach downtown.
Loews Coronado Bay Resort lists three outdoor pools and resort recreational amenities; Marriott Marquis has two heated pools, a children's pool and whirlpools on a large downtown pool deck.
Yes. Both properties welcome families. Loews explicitly offers babysitting (surcharge) and family-oriented pools; Marriott Marquis also features a children's pool and family room options.
Marriott Marquis — it offers significantly more meeting and ballroom space and is immediately adjacent to the San Diego Convention Center.
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