The most durable types of bathroom sinks are:

1. Enameled cast iron, which has a high-gloss finish and is considered very durable. ^{bobvila.com 1}
2. Porcelain, which is extremely durable and can last for decades. ^{signaturehardware.com 2}
3. Stainless steel, which is increasingly popular and resistant to stains, heat, dents, and dings. ^{consumerreports.org 3}