RIO VISTA (CBS SF) — A San Francisco man drowned while kayaking south of Rio Vista on Sunday afternoon after helping to save his daughter.

Coast Guard crews search for a man who drowned near Brannan Island, June 25, 2017. (Sacramento County Sheriff’s Office)

The man, who has been identified by the Sacramento County coroner’s office as 40-year-old Roni Avila Alvarado, was kayaking with his 5-year-old daughter in Three Mile Slough, part of the Brannan Island State Recreation Area, when their kayak overturned, according to Sacramento County sheriff’s Sgt. Tony Turnbull.

READ MORE: Oakland City Council Votes to Defund Police, Stripping More Than $17M from Department Budget

Roni Avila (Family photo/GoFundMe)

Both Alvarado and the girl went under initially, but he surfaced with her and held her above the water until she could be picked up by a good Samaritan on a jet ski in the area.

He then went under again and did not resurface. Neither the father nor the daughter wore a life jacket.

READ MORE: 165 Pounds Of Fireworks Seized, Man Arrested In Oakland Crackdown

The incident was reported a little before 2:30 p.m. A search was conducted by the U.S. Coast Guard and Solano County and Sacramento County units. Alvarado’s body was recovered a little after 11 p.m.

Note: The victim’s family has set up an online fundraiser to help with funeral costs. A link can be found here.

MORE NEWS: Menlo Park Fire Chief: Time Is Short in Search for Survivors of Florida Condo Collapse

© Copyright 2017 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.