
Omni San Diego Hotel at the Ballpark
Best for convention-goers, Padres-game attendees and travelers who want downtown nightlife steps from their door.
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Omni San Diego Hotel at the Ballpark is a 4-star, 511-room downtown Gaslamp hotel connected to Petco Park; it works best for convention attendees, Padres fans and travelers who want immediate access to nightlife and event venues. Catamaran Resort and Spa is a 4-star Mission Bay tropical-style resort with beachfront access and water-sport programming—read this if you want a resort-by-the-water stay in San Diego rather than a downtown base.
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Best for convention-goers, Padres-game attendees and travelers who want downtown nightlife steps from their door.

Best for travelers who want direct bay/beach access, on-site water activities and a resort-style pool and spa vibe.
When Omni San Diego Hotel at the Ballpark wins: choose Omni if you need a downtown location tied to Petco Park or the Convention Center, a large meeting footprint, or a central base for restaurants and nightlife.
When Catamaran Resort and Spa wins: choose Catamaran if your priority is Mission Bay/bayfront access, on-site water sports (kayaking, sailing, windsurfing) and a hotel-feel that centers on outdoor resort amenities and a beachfront restaurant.
Bottom line: both are 4-star options but for very different trips—Omni for downtown convenience, events and stadium access; Catamaran for a seaside, resort-style stay with water-oriented recreation.
| Category | Omni San Diego Hotel at the Ballpark | Catamaran Resort and Spa |
|---|---|---|
| Overall vibe | Urban, event-focused Gaslamp hotel | Beach-and-bay resort with tropical-style grounds |
| Location | 675 L St, Gaslamp Quarter; connected to Petco Park via skybridge | 3999 Mission Boulevard; on Mission Bay and steps from beaches |
| Size (rooms) | 511 rooms and suites across 21 floors | 300 guestrooms |
| Audience / age policy | Family-friendly; 'Omni Kids' program; 18+ to book | Family-friendly resort; not adults-only |
| Pools & pool area | Heated 6th-floor outdoor pool and hot tub with poolside bar, daybeds/cabanas (terrace) | Outdoor pool, poolside bar and beach loungers; beach volleyball and cabanas (surcharge) |
| Restaurants & bars | Tortuga rooftop pool restaurant, Ace Porter bar/lounge, Fres.co café | Oceana Coastal Kitchen beachfront restaurant, 2 bars/lounges, 24-hour room service |
| Spa & wellness | Full-service spa services (massage, facials) via third-party provider; 24-hour fitness center | Full-service spa on site; health club and yoga classes offered |
| On-site water activities | Not published | Kayaking, motor boating, sailing, windsurfing and other water-sport options on site |
| Meeting & event space | Extensive — 21 meeting rooms and up to ~32,000 sq ft of event space (Grand Ballroom ~9,266 sq ft) | Conference space and meeting rooms (conference space listed as 22 sq ft / 2 m in supplier listing — small meeting rooms available) |
| Nearby highlights | Petco Park, San Diego Convention Center, Gaslamp Quarter nightlife | Belmont Park, Mission and Pacific Beaches, La Jolla reachable by car |
Omni sits in the Gaslamp Quarter and is connected to Petco Park by a skybridge; it’s across from the San Diego Convention Center.
Pick Omni for events, nightlife and stadium access.
Catamaran faces Mission Bay and places you close to Mission and Pacific Beaches and Belmont Park.
Pick Catamaran if you want a waterside resort location with beach and bay access.
Omni offers 511 city-facing rooms and suites in multiple categories, including Bay View and Pool View suites.
Omni has more room variety and larger suite options for groups and events.
Catamaran provides about 300 guestrooms and a mix of garden, bay and beachfront room types and studios.
Catamaran focuses on water- and garden-facing rooms suited to leisure and family stays.
Omni’s outlets are geared to downtown dining, rooftop pool service and game-day crowds.
Omni’s venues suit game days, pre/post-convention meals and casual rooftop dining.
Catamaran centers dining on beachside seafood and coastal dishes with pool and room service available.
Catamaran’s dining leans beachside and family-friendly with waterfront views.
Omni has a heated 6th-floor terrace pool and hot tub with poolside bar and rentable daybeds/cabanas.
Omni’s pool is a notable rooftop amenity for downtown relaxation, not a beach replacement.
Catamaran offers an outdoor pool plus direct Mission Bay/beach access and a host of on-water activities.
Catamaran’s pool and immediate bay/beach access make it the better pick for water-focused stays.
Omni offers spa treatments, a 24-hour fitness center and a lively bar scene tied to downtown nightlife.
Omni blends in-house wellness options with city nightlife and bars for evening plans.
Catamaran has a full-service spa, health club and on-site yoga classes geared to a resort rhythm.
Catamaran focuses on wellness and daytime outdoor activity rather than urban nightlife.

Direct skybridge to Petco Park and immediate proximity to the Convention Center and Gaslamp nightlife.

Direct Mission Bay access with on-site kayaking, sailing, windsurfing and beachfront restaurant options.

Large and flexible event space including a Grand Ballroom and extensive meeting-room inventory.

Resort-style grounds, beachfront dining and family-friendly water activities on site.
Omni San Diego Hotel at the Ballpark—it's connected to Petco Park by an exclusive skybridge and is a short walk to the ballpark.
Catamaran Resort and Spa has direct Mission Bay/beach access and beach loungers; Omni is downtown without beach access.
Yes. Both properties welcome families; Omni runs an 'Omni Kids' program and allows children to stay free in many room configurations; Catamaran offers family-oriented rooms and activities.
Catamaran—its supplier listing and highlights show kayaking, motor boating, sailing, windsurfing and many water-sport options on site.
Yes. Both list full-service spa offerings; Omni’s treatments are provided via a third-party provider and require advance booking by phone.
Explore how Omni San Diego Hotel at the Ballpark stacks up against other hotels nearby:
vs. sites like Expedia, Hotels.com and other OTAs ·