Island has raised $730 million across several rounds, including a $115 million Series B in January 2022 led by Insight Partners and Sequoia Capital, valuing it at $1.3 billion, and a $250 million Series E in February 2025, raising its valuation to $4.8 billion. Founded in 2020 and based in Dallas, Texas, Island develops an enterprise browser that enhances SaaS governance, security, and productivity. With a workforce of 51–200 employees, Island continues to lead innovation in cybersecurity and enterprise browsing solutions.