www.blockislandrentalsonline.com. Dec 12, 2020 - Rent from people in Block Island Sound from $20/night. // --> With the largest inventory of rentals on Block Island, we have the perfect rental home for you. Our service is here to make your vacation easier and more enjoyable. 401.466.5521. info@sullivanbi.com Boutique Rentals & Smart Sales on Block Island, RI 401.487.2505. Reservations required. Description: Sullivan Sotheby’s International realty has been introducing people to the home of their dreams on Block Island since 1967. We rented a house through Sullivan (Anchors Aweigh … … //--> if(MSFPhover) { MSFPnav2n=MSFPpreload("_derived/linen_selection.htm_cmp_twc-table225010_vbtn.gif"); MSFPnav2h=MSFPpreload("_derived/linen_selection.htm_cmp_twc-table225010_vbtn_a.gif"); } Availability by the night may be offered in spring and fall. // -->