Big-Budget Fish Tanks Are Taking Over America’s Most Expensive Homes

Wealthy homeowners are spending hundreds of thousands and sometimes millions to install and maintain luxury aquariums. ‘It’s my happy place.’

By Robyn A. Friedman
March 11, 2026 8:00 pm ET

Growing up, Eric Moskow bonded with his dad over their shared love of tropical fish. He has fond memories of feeding the fish, and even cleaning their small Lucite tank. 

Moskow, now 67, is enjoying the hobby with his own children, but his setup looks quite different. In their Delray Beach, Fla., house, the family has a 2,200-gallon custom aquarium that is home to nine different species of fish—and cost $250,000....

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