Nyeri Governor Mutahi Kahiga, his nine county executives and 44 MCAs are all in Mombasa for a one week retreat that will cost taxpayers at least Sh7 million.
The leaders flew to the coastal city on Sunday to review the implementation of the budget and discuss the status of development projects.
The trip is on the backdrop of calls for adherence to the austerity measures that President Uhuru Kenyatta announced in 2018, including proposed cuts on travel.
Counties have complained of being underfunded but continue to splash billions in heavy perks and trips, both locally and abroad.
Each MCA is entitled to Sh14,000 daily in per diem and allowances for the seven days of the summit, translating to Sh4.3 million.