| Year: | 2018 |
| League: | NRL |
| League Rank: | 15 |
| League Wins: | 7 |
| League Draws: | 0 |
| League Losses: | 17 |
| Points For: | 500 |
| Points Against: | 622 |
| Ceo Title: | CEO |
| Coach: |  Trent Barrett |
| Assistant Coach: | John Cartwright |
| Stadium: | Lottoland |
| Avg Attendance: | 11,232 |
| High Attendance: | 31,118 (vs Brisbane Broncos, round 10) |
| Top Tries: | Shaun Lane, Tom Trbojevic (9) |
| Top Goals: | Daly Cherry-Evans (65) |
| Top Points: | Daly Cherry-Evans (164) |
| Prev Season: | 2017 |
| Next Season: | 2019 |
The 2018 Manly Warringah Sea Eagles season was the 69th in the club's history since their entry into the then New South Wales Rugby Football League premiership in 1947. The team came second last in the regular season and did not qualify for the finals.[1]
| Player | 2017 Club | 2018 Club | Ref | |
|---|---|---|---|---|
| data-sort-value="Lawrence, Brenton" | Brenton Lawrence | Manly-Warringah Sea Eagles | Gold Coast Titans | [4] |
| data-sort-value="Myles, Nate" | Nate Myles | Manly-Warringah Sea Eagles | Melbourne Storm | [5] |
| Blake Green | Manly-Warringah Sea Eagles | New Zealand Warriors | [6] |