Lakeshore Marina 4069 Lakeshore DrGladwin, MI 989-426-3752 Port Elizabeth Marina & Yacht Club 6635 River StreetCaseville, MI 48725 989-856-8077, 989-856-4562 (Fax) Beautiful Marina Located on the Caseville, MI Harbor. 47 Boat Slips and 12 Harborside campsites. Boat Launch, Bait, Pop, Ice and Advice.