About Let your island adventure begin! The BEST WESTERN PLUS Island Palms Hotel & Marina is ideally located on Shelter Island, San Diego’s Hawaiian Isle. Our waterfront hotel is surrounded by the deep blue waters of San Diego’s Big Bay and enveloped by lush, tropical landscaping. We invite you to experience an Island vacation without the long flight over the Pacific! Savor sunny days, starlit nights and majestic palm trees swaying in the cool sea breeze. Add warm, friendly hospitality and personalized service, and you have the makings of an ideal getaway.