Seacoast National Bank, Sebastian West Branch Basic Info Reviews Routing Numbers Map & Direction Name: Seacoast National Bank, Sebastian West Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1110 Roseland Road Sebastian, Florida 32958 Indian River County View other branches Phone: 772-581-1341 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer063113808YN063114221YN063114263YN063114810YY063115754YY063115958YN067005158YY067012565YN067014466YN From: To: