The oldest oceanarium in the world is Marineland in Florida. | Photo: Ebyabe, license: CC BY 2.5 4. February 20213. February 2021 anti-zoo-initiatives, education, media-echo « back Marineland Dolphin Adventure Debunks Haters Published on Marineland Dolphin Adventure’s Facebook page the 31.01.2021. The Marineland in Florida corrects inaccuracies and misinformation that were spread about the renowned dolphinarium during an online campaign. » to the full post Share this post