All 3 Uses of

promenade
in
The Sea of Monsters

I figured we'd have to sneak around, being stowaways and all, but after checking a few corridors and peering over a bal-cony into a huge central promenade lined with closed shops, I began to realize there was nobody to hide from.†
Chpt 8

Don't forget million-dollar bingo in the Kraken Lounge at one o'clock, and for our special guests, disemboweling practice on the Promenade!†
Chpt 8 *

At the bottom was the Promenade-a mall full of shops— but that's not what had caught Annabeth's attention.†
Chpt 9

Definitions:

(1) (promenade)
a public pathway for leisurely walking -- especially one near the ocean

or:

walking leisurely -- especially in a public place
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More rarely, promenade can reference a walking motion while dancing a square dance or procession of all the guests marching at the opening of a formal dance. Even more rarely, it can reference a prom (a formal party held for a school class toward the end of the academic year).