Shark Island, King Legacy Wiki

Arlong Park (アーロンパーク Āron Pāku) was the Arlong Pirates' base of operations. It was located on Conomi Islands. This building, boasting several stories and their Jolly Roger at the top, was conspicuously placed at the coast to show that they had no fear of the law. The entire building was destroyed by Luffy's Gomu Gomu no Ono, smashing Arlong through five stories downwards. 1st: Shark Blade location 2nd: Cyborg Seller

Cyborg, King Legacy Wiki

King Legacy Map - Islands & Seas