There are two main functions of deep pool: staff office space, model test and maintenance space. The staff office area is arranged on the south side of the volume, providing good ventilation and lighting on the south side; the model test area is arranged on the north side, where the test materials could be loaded and unloaded through the road on the north side of the site, separating the space for personnel and heavy vehicle operation. The entrance hall of the deep pool is on the southeast side of the volume, forming the centripetal feeling of the ocean park together with the entrance of the second center of the first phase.