Police observed Daniel Moretti, 21, Joseph Mattia, 21, and Adam Yorysh, 23, making a drug deal at Southern Boulevard and Smithtown Boulevardat 3:40 p.m. The men had 100 bags of heroin on them, police said.

A search of Moretti’s Hauppauge home on Friday recovered more than 400 bags of heroin. Methylene dioxy methamphetamine, illegal prescription drugs and marijuana were also recovered, police said. Kevin Moretti, 19, a resident of the home, was charged with criminal possession of a controlled substance and unlawful possession of marijuana.

Daniel Moretti was charged with criminal sale and possession of a controlled substance.  Joseph Mattia of Nesconset and Adam Yorysh of Islandia were each charged with criminal possession of a controlled substance. Mattia was also charged with criminal possession of a hypodermic instrument.