The Hyatt Regency Mission Bay Spa and Marina is a waterfront hotel that offers plenty of entertainment for children. The hotel features a water playground with multiple pools, water slides, and a lazy river. Kids can also enjoy the hotel's game room, where they can play video games and table tennis. Additionally, the hotel offers bike rentals, allowing families to explore the nearby attractions. With its exciting amenities, the Hyatt Regency Mission Bay Spa and Marina is a great option for families looking for entertainment in San Diego.