A "poolside party" is a gathering or event that takes place next to a pool. It usually involves fun activities, music, and socializing with friends or family while enjoying the poolside atmosphere. Full definition
This includes use of the private poolside party room. (ahpd.org)
This includes private use of the family activity pool, poolside party room, and the entire lower level. (ahpd.org)
The three - day celebration of all things Jeep will feature a variety of activities including a beach parade, the Jeep Beach Luau, a mud obstacle course and trail ride, and daily poolside parties at participating hotels. (articles.orlandosentinel.com)