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大分県のマリノポリス構想をもとに、世界初の海洋牧場（音響給餌システム試験）が、旧上浦町で行われたことを記念して作られた公園です。試験に使用された自動給餌ロボットの電源として、世界初の洋上太陽光発電の実験も、昭和61年から行われました。実際に使われた「ブンゴソーラー」が公園内に据えられています。
公園では、「夕涼みコンサート＆日本一短い花火大会」が毎年夏に開催されています。
