Marlborough House

Marlborough House is an unmarked location in the Esplanade neighborhood of Boston It is west of HalluciGen, Inc.

Layout
This mansion serves as a Gunners forward recon base for the raid of the nearby HalluciGen building. The first floor contains a duffle bag to the right of the entrance, a dead Gunner next to a first aid box, and an ammo box behind the table with sandbags at the base of the stairs. The small accessible upstairs area holds a caps stash under a chair and a chem box behind a toppled bureau. Four sleeping bags are downstairs, and a mattress is upstairs.

Loot
Esplanade mission brief - On the long table on the first floor. Taking the note marks the location of HalluciGen, Inc. on the Pip-Boy map.

Appearances
Marlborough House only appears in Fallout 4.