Join-a-Join, a self Financed online travel platform based in Puerto Rico where You can Find & Book “Cool & Unique” Places to Stay in #PuertoRico. For More information visit our Site or Send Us a Direct Message. One of the key benefits for hosts is that Join-a-Join offers in each booking the Accommodation Protection Program which covers homeowners up to $100,000 in liability protection and third-party property damage, as well as $3,000 of content protection. Guayacan's Enterprize 2014 Top Venture