It is a complex facility with the amusement park "Porto Europe", the hot spring facility "Natural Kishu Kuroshio Onsen", the tuna theme park "Kuroshio Market", the resort hotel "Wakayama Marina City", and the "Marina City Sea Fishing Park".

Porto Europe is a theme park that reproduces the streets of Portugal, and is full of restaurants, shops, and attractions.

Kuroshio Market is a market that sells seafood and agricultural products from Wakayama Prefecture, where you can enjoy fresh ingredients. Wakayama Marina City Hotel is a hotel where all rooms have an ocean view, and you can overlook the sea of Wakayama.

Kishu Kuroshio Onsen is a hot spring that uses hot spring ingredients from Wakayama Prefecture, so you can relax. Sea fishing park is a park where you can enjoy sea fishing. Kinokuni Fruit Village is a theme park where you can taste fruits produced in Wakayama Prefecture.

Solcasa del Mar is a restaurant that recreates the streets of Spain. The yacht club is a facility where you can enjoy marine sports such as yachting and sailing.