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Omni San Diego Hotel at the Ballpark San Diego, California
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Hotel comparison guide

Omni San Diego Hotel at the Ballpark vs Marriott Marquis San Diego Marina

Omni San Diego Hotel at the Ballpark is a 4-star, family-friendly downtown hotel directly connected to Petco Park and aimed at event, sports and family travelers. Marriott Marquis San Diego Marina is a large 4-star waterfront convention hotel best suited to conference groups and travelers who want a marina-side location.

Updated · about 0.8 km apart

Rooftop pool with lounge chairs and cabanas at Omni San Diego Hotel at the Ballpark

Omni San Diego Hotel at the Ballpark

Connected to Petco Park · Heated rooftop pool · Family-friendly

Best for Padres games and Gaslamp nightlife — immediate, direct access to Petco Park and the Convention Center.

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Marriott Marquis San Diego Marina, San Diego (CA), California

Marriott Marquis San Diego Marina

Waterfront convention hotel · Large meeting capacity · Marina views

Best for large conventions, groups, and guests wanting a downtown marina/waterfront address.

Quick Verdict: Omni San Diego Hotel at the Ballpark vs Marriott Marquis San Diego Marina

When Omni San Diego Hotel at the Ballpark wins: choose Omni if you want direct skybridge access to Petco Park, a rooftop pool terrace with cabanas/daybeds, a Gaslamp Quarter location and family-friendly policies (Omni Kids, kids-stay-free).

When Marriott Marquis San Diego Marina wins: pick the Marriott Marquis for large groups or conventions, extensive meeting/banquet facilities and a downtown waterfront/marina setting with multiple on-site outlets and hotel-managed parking options.

Bottom line: both are downtown, convention-friendly 4-star properties; Omni is the better pick for ballpark access, poolside rooftop energy and family stays, while Marriott Marquis is a safer choice for big events, waterfront views and convention logistics.

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Omni San Diego Hotel at the Ballpark vs Marriott Marquis San Diego Marina – At a Glance

Side-by-side facts for Omni San Diego Hotel at the Ballpark and Marriott Marquis San Diego Marina
CategoryOmni San Diego Hotel at the BallparkMarriott Marquis San Diego Marina
Overall vibeLively, game-day and event-focused; rooftop pool and bar sceneLarge, business- and convention-oriented waterfront hotel
LocationGaslamp Quarter; skybridge to Petco Park; across from Convention CenterDowntown waterfront at the marina; short walk to Convention Center
Size511 rooms and suites across 21 floorsLarge-scale convention hotel with hundreds of guest rooms
Ages / audienceAll-ages, family-friendly (Omni Kids program; kids stay free rules)All-ages but focused on business and group travelers
PoolsHeated outdoor pool and hot tub on a 6th-floor terrace; daybeds/cabanas/day passesOutdoor swimming pool(s) and hot tub(s) available on property
Restaurants & barsTortuga rooftop pool restaurant, Ace Porter bar/lounge, Fres.co caféMultiple restaurants and bars (waterfront dining and on-site outlets)
Spa & wellnessSpa services (massage, facials) via on-site/third-party providers; 24-hour fitness centerSalon, body treatments and fitness facilities; full-service wellness options listed
Meetings & eventsAbout 32,000 sq ft of renovated meeting space; Grand Ballroom up to ~1,200Large meeting/banquet facilities geared for conventions and groups
ParkingValet parking only on site (paid)On-site parking and valet options available
Known forPetco Park skybridge and rooftop pool atmosphereWaterfront, marina setting and convention infrastructure

A Look Inside Omni San Diego Hotel at the Ballpark

Omni San Diego Hotel at the Ballpark: rooms & suitesRooms & suitesOmni San Diego Hotel at the Ballpark: pools & beachPools & beachOmni San Diego Hotel at the Ballpark: diningDiningOmni San Diego Hotel at the Ballpark: spa & wellnessSpa & wellness
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Location: Omni vs Marriott Marquis

Omni San Diego Hotel at the Ballpark – Location

Omni sits in the Gaslamp Quarter with an exclusive skybridge to Petco Park and is across from the San Diego Convention Center.

  • Address: 675 L St, San Diego, CA 92101; steps from nightlife and restaurants in the Gaslamp Quarter.
  • Direct pedestrian skybridge to Petco Park (open for standard season baseball games).
  • Short walk to the San Diego Convention Center and other downtown attractions.

Pick Omni for immediate ballpark access and a central Gaslamp location.

Marriott Marquis San Diego Marina – Location

Marriott Marquis San Diego Marina sits on the downtown waterfront and offers a marina-side address close to the Convention Center.

  • Address: 333 West Harbor Drive, San Diego, CA 92101; on the downtown marina waterfront.
  • Short walk to the San Diego Convention Center and waterfront attractions like Seaport Village.
  • Good option for guests prioritizing bay and marina views over nightlife-on-foot.

Pick Marriott Marquis for a downtown marina location and waterfront views.

Rooms: what to expect

Omni San Diego Hotel at the Ballpark – Rooms

Omni offers 511 rooms and suites across 21 floors with a mix of city and bay views plus balcony options.

  • Room types include Deluxe Room, City View; Premier Room, Balcony, Corner (Bay View); multiple junior and executive suites.
  • Rooms offer Premier in-room Wi‑Fi (free and paid options available).
  • Family- and pet-friendly room policies (kids-stay-free; small pets allowed with fee).

Omni is a mid-to-large downtown hotel offering family- and pet-friendly room choices with some balcony/bay-view options.

Marriott Marquis San Diego Marina – Rooms

Marriott Marquis provides many room types, including bay- or city-view rooms and several balcony or corner options.

  • Room types listed include City View King, Deluxe Room, 1 King Bed, Bay View King and multiple Deluxe/Bay View configurations.
  • Options range from standard city-view rooms to Executive and Luxury/Deluxe suites with bay views.
  • Wi‑Fi, daily housekeeping and standard business-traveler amenities are offered.

Marriott Marquis suits business travelers and groups who want various room categories with waterfront views.

Dining & drinks: poolside to waterfront

Omni San Diego Hotel at the Ballpark – Dining & drinks

Omni focuses on casual California/Baja dining with a rooftop pool restaurant, lobby café and bar/lounge.

  • Tortuga: rooftop pool restaurant serving Baja-California flavors and poolside service (Daily 11:30 AM–6 PM).
  • Ace Porter: bar and lounge with craft beers and cocktails; popular on game days with skybridge access to Petco Park.
  • Fres.co Market + Café: lobby café with coffee, pastries, breakfast and all-day light fare.

Choose Omni for relaxed poolside meals, bar energy and quick café options tied to the ballpark experience.

Marriott Marquis San Diego Marina – Dining & drinks

Marriott Marquis offers multiple on-site restaurants and bars with waterfront or marina-adjacent options.

  • On-site food-and-drink outlets include restaurants, a bar and a coffee shop (details and names vary by listing).
  • Breakfast buffet and room service options listed among amenities.
  • Waterfront setting makes many dining options convenient for bay-view meals and evening walks along the marina.

Choose Marriott Marquis for a wider set of on-site dining outlets and easy access to waterfront dining.

Pools & the hotel's signature amenity

Omni San Diego Hotel at the Ballpark – Pools & the hotel's signature amenity

Omni’s signature outdoor amenity is a heated 6th-floor pool terrace with hot tub, cabanas and a poolside restaurant.

  • Heated outdoor pool and hot tub on 6th-floor terrace; open daily from 5 AM–10 PM.
  • Tortuga Pool Bar provides poolside service; day passes, daybeds and private cabanas available.
  • Wheelchair-accessible pool and pool hoist noted in accessibility features.

Omni centers a social rooftop-pool experience that ties into dining and event spaces.

Marriott Marquis San Diego Marina – Pools & the hotel's signature amenity

Marriott Marquis lists outdoor swimming pool(s) and hot tub(s) as part of its waterfront property amenities.

  • Outdoor swimming pool(s) and a hot tub are listed among the property's amenities.
  • Pool access and poolside services are typical for a waterfront convention hotel; specifics vary by stay.
  • Marina setting provides views and walking access to the harbor boardwalk.

Marriott Marquis provides standard outdoor-pool facilities alongside its marina setting for guests who prefer waterfront walks.

Wellness & nightlife

Omni San Diego Hotel at the Ballpark – Wellness & nightlife

Omni offers on-site spa services, a 24-hour fitness center and easy access to Gaslamp nightlife.

  • Spa services (massage, facials) are offered via the hotel's spa/wellness provider; appointments by phone.
  • Complimentary 24-hour fitness center available to guests.
  • Steps from hundreds of restaurants, bars and entertainment venues in the Gaslamp Quarter.

Omni is convenient for guests who want both in-hotel wellness services and a short walk to lively nightlife.

Marriott Marquis San Diego Marina – Wellness & nightlife

Marriott Marquis provides salon and body treatment services, fitness facilities and a calm waterfront setting for evening walks.

  • Amenities list includes salon services, body treatments and hot tub/fitness facilities.
  • Hotel is suited to quieter evening options — marina strolls and on-site dining — rather than concentrated nightlife.
  • Large convention clientele typically means extended front-desk and business services.

Marriott Marquis is a practical choice for travelers who want wellness services and calmer waterfront evenings over nightlife out.

Who Wins? Best Pick by Travel Style

Best for ballpark access
Wood display niche with baseball bats, gloves and cleats at Omni San Diego Hotel at the Ballpark

Omni San Diego Hotel at the Ballpark

Omni — direct skybridge to Petco Park puts you on site for games and events.

Best for conventions & groups
Marriott Marquis San Diego Marina, San Diego (CA), California

Marriott Marquis San Diego Marina

Marriott Marquis — large, waterfront convention hotel with extensive meeting space and group infrastructure.

Best family-friendly pick
Hotel lobby lounge with sectional sofa and double-height ceiling at Omni San Diego Hotel at the Ballpark

Omni San Diego Hotel at the Ballpark

Omni — Omni Kids program, kids-stay-free and family pool amenities make it easier for families.

Best for waterfront views
Marriott Marquis San Diego Marina, San Diego (CA), California

Marriott Marquis San Diego Marina

Marriott Marquis — marina-side rooms and waterfront walks are the draw for bay-view seekers.

Frequently asked questions

Omni San Diego Hotel at the Ballpark vs Marriott Marquis San Diego Marina: FAQs

See all FAQs →
Which hotel is closer to Petco Park?

Omni San Diego Hotel at the Ballpark — it’s connected to Petco Park via a pedestrian skybridge.

Which hotel is better for a large convention?

Marriott Marquis San Diego Marina — it’s positioned as a large waterfront convention hotel with extensive meeting and banquet facilities.

Are either of these hotels family-friendly?

Yes. Omni is explicitly family-friendly with an Omni Kids program and kids-stay-free policy; Marriott Marquis is also all-ages but has a stronger convention/business focus.

Do both hotels have outdoor pools?

Yes. Omni offers a heated rooftop pool and hot tub on a 6th-floor terrace; Marriott Marquis lists outdoor swimming pool(s) and hot tub(s) among its amenities.

More Omni San Diego Hotel at the Ballpark Comparison Guides

Explore how Omni San Diego Hotel at the Ballpark stacks up against other hotels nearby:

Couple on terrace overlooking palm trees and convention center at Omni San Diego Hotel at the Ballpark
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