⑩ 生存設計の前提　Survival Design Assumptions

Confused about boat toilets and wastewater? Learn how grey water and black water systems work, legal rules, pump-out stations, and real risks of doing it wrong.

WiFi, Electricity, and Water Are Not Services**Most people think infrastructure is something you pay for.You sign a cont...

How do you manage water on a boat? Learn how our family of four uses rainwater tanks, laundromats, and off-grid systems — plus real costs and why we don’t use a watermaker.

Living on a boat means generating your own electricity. Here’s how our family of four runs entirely on solar power, including lights, fridge, and devices — with minimal generator use.

Struggling to get internet on a boat? Here’s a real-life guide to WiFi on a boat, including mobile data, Starlink, costs, and what actually works at sea.