All 25 members of the St Helier Lifeboat crew have resigned along with five members of the admin & management team.
It follows a meeting between the boats Coxswain, Andy Hibbs and the RNLI where he was asked to stand down.
Organisers of a protest, due to be held on Monday to show support for the St Helier lifeboat crew, say they do not expect it to disrupt Jersey's Boat Show.
Islanders are being asked to gather at the Lifeboat Station from 12 noon on Bank Holiday Monday.
It follows the resignation of the entire lifeboat crew in response to the sacking of their Coxswain, Andy Hibbs.
WATCH: John Baker, from the Jersey Action Group, says the protest is not meant to distract people from the maritime festival.
The conclusions of a review into the sacking of St Helier's RNLI Lifeboat Coxswain, Andy Hibbs, are expected to be published in June.
The RNLI has confirmed that former coxswain Andy Hibbs has challenged the charity's decision to sack him.
The government says it won't rule out an investigation into the Ports of Jersey's involvement in St Helier's lifeboat crew stepping down.