The best way to attract quality tenants is to buy quality properties.

We are targeting an STR vacation home in the Shenandoah Valley area. 

Frank - I'm targeting multifamily near you in Pennsylvania.

Here are some cost-effective strategies:BiggerPockets Marketplace: Since you're already active here, listing your property in the Marketplace can target serious investors looking for turnkey deals.

After building your list, what’s worked better for you—huge lists (thousands of leads) or smaller, hyper-targeted lists (10-100 properties)?

The potential for a high return with minimal effort made it an attractive investment.

As far as having a digital presence you can definitely post ads on Facebook and IG about your facility and target your ideal client. 

You could try to target longer minimum stays 3-5 nights with a rate that makes sense for that longer minimum stay.

Quote from @Phil Hale: Investor targeting 5+ unit deals in Columbus—where do you network locally? 

A corporate letter and full rent payment upfront may look attractive, but proper screening is still critical.