There is a fisheries here on the Island called Combley carp fisheries. They have various fish over 40lb the biggest is i believe 53lb. I have not tried it as it is very expensive.
The lake is available for four or three nights. It is also possible to book the lake for seven nights should dates be available.
Four Night bookings from 12:00 Monday to 10:00 Friday
Three Night bookings from 12:00 Friday to 10:00 Monday
Seven Night bookings from 12:00 Monday to 10:00 Monday
Prices
Four Night bookings from 12:00 Monday to 10:00 Friday – £800
Three Night bookings from 12:00 Friday to 10:00 Monday – £600
Seven Night bookings from 12:00 Monday to 10:00 Monday – £1400
From September 1st 2023 the prices will be
Four Night bookings from 12:00 Monday to 10:00 Friday – £960
Three Night bookings from 12:00 Friday to 10:00 Monday – £720
Seven Night bookings from 12:00 Monday to 10:00 Monday – £1680
https://www.combleycarpfisheries.co.uk