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Notes fromthe water
Craft, process and the living installations we design, build and care for — written by the studio for homeowners, designers and architects.
64 essays & guides
Latest · Homeowners
This guide collects our aquarium holiday decoration ideas, along with the reasoning behind each one. A fish tank is a closed biological system, and decorations that look festive can still cause real problems. The goal…
October 31, 2026 · 6 min read
Homeowners
Every summer, we hear the same story from aquarium owners across NYC, New Jersey, Westchester, Long Island, and the…
October 30, 2026 · 6 min read
An aquarium is a closed biological system. The water, the livestock, the filtration, and the equipment all depend on…
October 29, 2026 · 7 min read
A koi pond is a closed aquatic system that has to function for decades through humid summers, nor'easters, and winters…
October 28, 2026 · 6 min read
Design
A manhattan penthouse aquarium custom build is unlike an aquarium in a suburban home or a ground-floor commercial space. The tank is only one part of the work. The rest is structure, logistics,…
October 28, 2026 · 7 min read
Maintaining a custom aquarium requires specialized knowledge, proper equipment, and consistent attention to detail. For…
June 15, 2026 · 6 min read
When considering a custom aquarium for your New York City space, understanding the installation process and associated…
June 12, 2026 · 7 min read
Selecting the right coral species forms the foundation of any thriving reef tank ecosystem. At Okeanos Group, our two…
June 10, 2026 · 8 min read
A thriving aquarium represents one of nature's most captivating displays, but maintaining that pristine underwater…
June 8, 2026 · 6 min read
Water chemistry serves as the invisible foundation that determines whether your aquarium thrives or struggles. After…
June 5, 2026 · 6 min read
The aquarium industry has undergone a remarkable transformation over the past two decades. What once required constant…
June 3, 2026 · 8 min read
## Understanding Sustainable Aquarium Design Principles
June 1, 2026 · 7 min read
Hospitality
## The Psychology Behind Aquariums in Entertainment Venues
May 29, 2026 · 7 min read