There are TONS of Hotels and motels near the venue and around the Jersey Shore, if you are staying awhile, consider Asbury Park. Also there are plenty of Air BNBs in the area that will have great pricing because of the off season and can accommodate larger groups.
Hotel
Crystal Inn Neptune
706 New Jersey 35 Tinton Falls, NJ 07753 (732) 776-9000
This hotel is in the Asbury Park Area, great shopping and food if you are staying a few days 15 min approx from wedding venue
Hotel
Hilton Garden Inn Lakewood
Lakewood Township, NJ 08701 (732) 262-5232
Hotel
Super 8 by Wyndham Asbury Park
735 New Jersey 35 Asbury Park, NJ 07712 (732) 898-3222
Hotel
Budget Inn & Suites
New Jersey 35 NJ 07719 (732) 449-6146
Hotel
Windswept Motel
1008 Ocean Avenue Point Pleasant Beach, NJ 08742 (732) 899-1282
Closest to Venue, but that time of year the area is kind of dead