"Search Retirement Cottages" is an objective in the sidequest Victims of Vault Hunters in Sir Hammerlock vs. The Son of Crawmerax.
Walkthrough[edit]
Head to the Southeast toward the Retirement Cottages. Make your way onto the dock and then just stay close to the houses from there. make your way to the far Southeastern portion of the area. Once there you will find a massive building. This will prompt Sparky Flynt to contact you again.
Dialogue[edit]
Sparky Flynt: The next guy you're looking for is named Blendo, and he wants to kill Salvador in order to avenge, uh ... everyone. You killed his entire bandit clan, Sally. All hundred and fifty of them.