There are some restaurants and cafes near Shanghai Ocean Aquarium that can provide afternoon tea. The following are some cost-effective choices similar to those in Babela:

1. Starbucks (Lujiazui Ring Road Store, No.168 Lujiazui Ring Road): This Starbucks is only a few steps away from Shanghai Ocean Aquarium, offering various afternoon tea packages at reasonable prices.

2. Costa (2nd floor, No.138, century avenue): This coffee shop is located between Shanghai Ocean Aquarium and Oriental Pearl TV Tower, and provides all kinds of afternoon tea at moderate prices.

3. Xicha (Floor 2, Ground Floor, Century Hui Plaza, No.1256, century avenue): Xicha is a brand mainly engaged in tea, offering various afternoon tea packages and a la carte meals with high cost performance.

please note that the above recommendations are for reference only, and you are advised to make an appointment or consult in advance to get the latest information and business hours.