From here:

• Take a photo tour of Mission Bay

• Guide to Sea World San Diego

• Tour Mission Bay Hotels & Resorts

• Explore a Map of Mission Bay

Hilton Mission Bay San Diego

Mission Bay is San Diego's "Other Bay"

San Diego Bay is home to San Diego's business center, the international airport, & the United States Navy.
Mission Bay however, is strictly for FUN!

Seaforth Boat Rentals - Catalina 250 Sunset Sail
CAPTURE the romance of the sun setting into the Pacific. Let our licensed skipper take you for the best evening of your vacation. We offer 2-hour private cruises in San Diego Bay, Mission Bay or the Pacific Ocean for groups of two to a maximum of six. Wine glasses and buckets can be provided. Reservations required.

Hike, Bike, Kayak San Diego - Pedal & Paddle Family Special on Mission Bay
 

Hike, Bike, Kayak San Diego - Mission Bay Kayak Tour

San Diego Area guides & photo tours: 

Mission Bay	Old Town	Sea World
Gaslamp Quarter District	Seaport Village	La Jolla
Pacific Beach	Mission Beach	Coronado
Balboa Park	Hillcrest	Ocean Beach
City Heights	North Park	College Area
Normal Heights	Kensington	University Heights
Downtown El Cajon	Village of La Mesa	Carlsbad
Downtown Escondido	Adams Avenue	Alpine
Horton Plaza	Fashion Valley	South Park
The Boulevard	Casinos	San Diego Airport